Greatest Common Factor of 538, 858, 20

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

• Greatest Common Factor of 538, 858, 20 by common division method
• Greatest Common Factor of 538, 858, 20 with matching the biggest common factor

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

Factors of 538

List of positive integer factors of 538 that divides 538 without a remainder.

1,2,269,538

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

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 538,858,20 . The biggest common factor number is the GCF number.
So the greatest common factor 538,858,20 is 2.

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

• GCF of 423, 251, 16
• GCF of 695, 826, 98
• GCF of 592, 549, 84
• GCF of 606, 614, 80
• GCF of 715, 640, 72

1. What is the GCF of 538, 858, 20?

Answer: GCF of 538, 858, 20 is 2.

2. How to Find the GCF of 538, 858, 20

Answer: Greatest Common Factor(GCF) of 538, 858, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(538, 858, 20) = 2.