Greatest Common Factor of 72, 61, 638

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

• Greatest Common Factor of 72, 61, 638 by common division method
• Greatest Common Factor of 72, 61, 638 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 638

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

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

Greatest Common Factor

We found the factors 72,61,638 . The biggest common factor number is the GCF number.
So the greatest common factor 72,61,638 is 1.

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

• GCF of 62, 81, 380
• GCF of 58, 86, 686
• GCF of 34, 16, 958
• GCF of 72, 18, 646
• GCF of 50, 88, 588

1. What is the GCF of 72, 61, 638?

Answer: GCF of 72, 61, 638 is 1.

2. How to Find the GCF of 72, 61, 638

Answer: Greatest Common Factor(GCF) of 72, 61, 638 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 61, 638) = 1.