What are the prime factors of 42?
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Write the Prime Factors of given Numbers
Name
Grade
School
Date
Questions20
Score
1
2
What are the prime factors of 45?
3
What are the prime factors of 36?
4
What are the prime factors of 56?
5
What are the prime factors of 60?
6
What are the prime factors of 100?
7
What are the prime factors of 44?
8
What are the prime factors of 12?
9
What are the prime factors of 165?
10
What are the prime factors of 101?
11
What are the prime factors of 1009?
12
What are the prime factors of 120?
13
What are the prime factors of 140?
14
What are the prime factors of 18?
15
What are the prime factors of 16?
16
What are the prime factors of 1729?
17
What are the prime factors of 20?
18
What are the prime factors of 24?
19
What are the prime factors of 210?
20
What are the prime factors of 28?
Answers Key
1
What are the prime factors of 42?
2 x 3 x 7
Prime factor of 42
2, 3 & 7 are the prime factors of 42
42 = 2 x 3 x 7
| 2 | 42 |
| 3 | 21 |
| 7 | 7 |
| 1 |
42 = 2 x 3 x 7
2
What are the prime factors of 45?
3 x 3 x 5
Prime factor of 45
3, 3 & 5 are the prime factors of 45
45 = 3 x 3 x 5
| 3 | 45 |
| 3 | 15 |
| 5 | 5 |
| 1 |
45 = 3 x 3 x 5
3
What are the prime factors of 36?
2 x 2 x 3 x 3
Prime factor of 36
2, 2, 3 & 3 are the prime factors of 36
36 = 2 x 2 x 3 x 3
| 2 | 36 |
| 2 | 18 |
| 3 | 9 |
| 3 | 3 |
| 1 |
36 = 2 x 2 x 3 x 3
4
What are the prime factors of 56?
2 x 2 x 2 x 7
Prime factor of 56
2, 2, 2 & 7 are the prime factors of 56
56 = 2 x 2 x 2 x 7
| 2 | 56 |
| 2 | 28 |
| 2 | 14 |
| 7 | 7 |
| 1 |
56 = 2 x 2 x 2 x 7
5
What are the prime factors of 60?
2 x 2 x 3 x 5
Prime factor of 60
2, 2, 3 & 5 are the prime factors of 60
60 = 2 x 2 x 3 x 5
| 2 | 60 |
| 2 | 30 |
| 3 | 15 |
| 5 | 5 |
| 1 |
60 = 2 x 2 x 3 x 5
6
What are the prime factors of 100?
2 x 2 x 5 x 5
Prime factor of 100
2, 2, 5 & 5 are the prime factors of 100
100 = 2 x 2 x 5 x 5
| 2 | 100 |
| 2 | 50 |
| 5 | 25 |
| 5 | 5 |
| 1 |
100 = 2 x 2 x 5 x 5
7
What are the prime factors of 44?
2 x 2 x 11
Prime factor of 44
2, 2 & 11 are the prime factors of 44
44 = 2 x 2 x 11
| 2 | 44 |
| 2 | 22 |
| 11 | 11 |
| 1 |
44 = 2 x 2 x 11
8
What are the prime factors of 12?
2 x 2 x 3
Prime factor of 12
2, 2 & 3 are the prime factors of 12
12 = 2 x 2 x 3
| 2 | 12 |
| 2 | 6 |
| 3 | 3 |
| 1 |
12 = 2 x 2 x 3
9
What are the prime factors of 165?
3 x 5 x 11
Prime factor of 165
3, 5 & 11 are the prime factors of 165
165 = 3 x 5 x 11
| 3 | 165 |
| 5 | 55 |
| 11 | 11 |
| 1 |
165 = 3 x 5 x 11
10
What are the prime factors of 101?
101
Prime factor of 101
& 101 are the prime factors of 101
101 = 101
| 101 | 101 |
| 1 |
101 = 101
11
What are the prime factors of 1009?
1009
Prime factor of 1009
& 1009 are the prime factors of 1009
1009 = 1009
| 1009 | 1009 |
| 1 |
1009 = 1009
12
What are the prime factors of 120?
2 x 2 x 2 x 3 x 5
Prime factor of 120
2, 2, 2, 3 & 5 are the prime factors of 120
120 = 2 x 2 x 2 x 3 x 5
| 2 | 120 |
| 2 | 60 |
| 2 | 30 |
| 3 | 15 |
| 5 | 5 |
| 1 |
120 = 2 x 2 x 2 x 3 x 5
13
What are the prime factors of 140?
2 x 2 x 5 x 7
Prime factor of 140
2, 2, 5 & 7 are the prime factors of 140
140 = 2 x 2 x 5 x 7
| 2 | 140 |
| 2 | 70 |
| 5 | 35 |
| 7 | 7 |
| 1 |
140 = 2 x 2 x 5 x 7
14
What are the prime factors of 18?
2 x 3 x 3
Prime factor of 18
2, 3 & 3 are the prime factors of 18
18 = 2 x 3 x 3
| 2 | 18 |
| 3 | 9 |
| 3 | 3 |
| 1 |
18 = 2 x 3 x 3
15
What are the prime factors of 16?
2 x 2 x 2 x 2
Prime factor of 16
2, 2, 2 & 2 are the prime factors of 16
16 = 2 x 2 x 2 x 2
| 2 | 16 |
| 2 | 8 |
| 2 | 4 |
| 2 | 2 |
| 1 |
16 = 2 x 2 x 2 x 2
16
What are the prime factors of 1729?
7 x 13 x 19
Prime factor of 1729
7, 13 & 19 are the prime factors of 1729
1729 = 7 x 13 x 19
| 7 | 1729 |
| 13 | 247 |
| 19 | 19 |
| 1 |
1729 = 7 x 13 x 19
17
What are the prime factors of 20?
2 x 2 x 5
Prime factor of 20
2, 2 & 5 are the prime factors of 20
20 = 2 x 2 x 5
| 2 | 20 |
| 2 | 10 |
| 5 | 5 |
| 1 |
20 = 2 x 2 x 5
18
What are the prime factors of 24?
2 x 2 x 2 x 3
Prime factor of 24
2, 2, 2 & 3 are the prime factors of 24
24 = 2 x 2 x 2 x 3
| 2 | 24 |
| 2 | 12 |
| 2 | 6 |
| 3 | 3 |
| 1 |
24 = 2 x 2 x 2 x 3
19
What are the prime factors of 210?
2 x 3 x 5 x 7
Prime factor of 210
2, 3, 5 & 7 are the prime factors of 210
210 = 2 x 3 x 5 x 7
| 2 | 210 |
| 3 | 105 |
| 5 | 35 |
| 7 | 7 |
| 1 |
210 = 2 x 3 x 5 x 7
20
What are the prime factors of 28?
2 x 2 x 7
Prime factor of 28
2, 2 & 7 are the prime factors of 28
28 = 2 x 2 x 7
| 2 | 28 |
| 2 | 14 |
| 7 | 7 |
| 1 |
28 = 2 x 2 x 7
Prime Factorization of Numbers Worksheet
Write the prime factors of numbers worksheet with answers to practice & learn 6th grade math problems on factorization is available online for free in printable & downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this grade-6 worksheet to practice how to find the prime factorization of given number.
How to Use this Worksheet
In this sixth grade math worksheet, students are required to find & write the prime factors of given numbers. To factorize the number, use the special division as like as the step by step work given in the answer key. The prime numbers is the building blocks of all positive integers.
Answers KeyTeachers, parents or students can check or validate the solved math workbook of 6th grade math questions on writing prime factors of given number by using the corresponding answers key which comprises the step by step work for each problem in the worksheet.
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