Greatest Common Factor of 421, 688, 637

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

• Greatest Common Factor of 421, 688, 637 by common division method
• Greatest Common Factor of 421, 688, 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 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

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 421,688,637 . The biggest common factor number is the GCF number.
So the greatest common factor 421,688,637 is 1.

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

• GCF of 237, 120, 421
• GCF of 705, 942, 399
• GCF of 899, 813, 359
• GCF of 117, 158, 183
• GCF of 228, 955, 416

1. What is the GCF of 421, 688, 637?

Answer: GCF of 421, 688, 637 is 1.

2. How to Find the GCF of 421, 688, 637

Answer: Greatest Common Factor(GCF) of 421, 688, 637 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 688, 637) = 1.