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GCF Calculator

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comma saparated input values
GCF (8,20,16) = 4
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Work with steps - GCF

Question:
Find the GCF of integers 8,20,16.
Answer:
Factors of 8
28
24
22
1
Factors of 20
220
210
55
1
Factors of 16
216
28
24
22
1
Factors of 8 = 2 x 2 x 2
Factors of 20 = 2 x 2 x 5
Factors of 16 = 2 x 2 x 2 x 2
Multiply all common factors of 8, 20, 16
2 x 2 = 4
GCF(8, 20, 16) = 4
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GCF(8, 20, 19, 3) = ?1
GCF calculator that shows work to find the greatest common factor of two or more numbers. The step-by-step calculation help parents to assist their kids studying 4th, 5th or 6th grade to verify the work and answers of greatest common factor homework and assignment problems in pre-algebra or in number system (NS) of common core state standards (CCSS) for mathematics.
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