Greatest Common Factor of 124, 638, 18

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

• Greatest Common Factor of 124, 638, 18 by common division method
• Greatest Common Factor of 124, 638, 18 with matching the biggest common factor

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

Factors of 124

List of positive integer factors of 124 that divides 124 without a remainder.

1,2,4,31,62,124

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 124,638,18 . The biggest common factor number is the GCF number.
So the greatest common factor 124,638,18 is 2.

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

• GCF of 695, 513, 74
• GCF of 248, 305, 88
• GCF of 290, 757, 94
• GCF of 534, 859, 73
• GCF of 368, 926, 42

1. What is the GCF of 124, 638, 18?

Answer: GCF of 124, 638, 18 is 2.

2. How to Find the GCF of 124, 638, 18

Answer: Greatest Common Factor(GCF) of 124, 638, 18 = 2

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

Step 2: Then multiply all the prime factors GCF(124, 638, 18) = 2.