Greatest Common Factor of 398, 492, 20

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 398, 492, 20 by common division method
• Greatest Common Factor of 398, 492, 20 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Factors of 492

List of positive integer factors of 492 that divides 492 without a remainder.

1,2,3,4,6,12,41,82,123,164,246,492

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 398,492,20 . The biggest common factor number is the GCF number.
So the greatest common factor 398,492,20 is 2.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 610, 454, 89
• GCF of 577, 259, 72
• GCF of 987, 242, 52
• GCF of 619, 931, 87
• GCF of 510, 476, 56

1. What is the GCF of 398, 492, 20?

Answer: GCF of 398, 492, 20 is 2.

2. How to Find the GCF of 398, 492, 20

Answer: Greatest Common Factor(GCF) of 398, 492, 20 = 2

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(398, 492, 20) = 2.