Greatest Common Factor of 12, 61, 16, 637

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

• Greatest Common Factor of 12, 61, 16, 637 by common division method
• Greatest Common Factor of 12, 61, 16, 637 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 61

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

1,61

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 637

List of positive integer factors of 637 that divides 637 without a remainder.

1,7,13,49,91,637

Greatest Common Factor

We found the factors 12,61,16,637 . The biggest common factor number is the GCF number.
So the greatest common factor 12,61,16,637 is 1.

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

• GCF of 63, 68, 87, 905
• GCF of 39, 68, 34, 204
• GCF of 45, 17, 97, 557
• GCF of 13, 44, 10, 606
• GCF of 10, 50, 60, 645

1. What is the GCF of 12, 61, 16, 637?

Answer: GCF of 12, 61, 16, 637 is 1.

2. How to Find the GCF of 12, 61, 16, 637

Answer: Greatest Common Factor(GCF) of 12, 61, 16, 637 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 61, 16, 637) = 1.