Greatest Common Factor of 80, 1428, 637

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

• Greatest Common Factor of 80, 1428, 637 by common division method
• Greatest Common Factor of 80, 1428, 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 1428

List of positive integer factors of 1428 that divides 1428 without a remainder.

1,2,3,4,6,7,12,14,17,21,28,34,42,51,68,84,102,119,204,238,357,476,714,1428

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 80,1428,637 . The biggest common factor number is the GCF number.
So the greatest common factor 80,1428,637 is 1.

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

• GCF of 21, 8341, 642
• GCF of 92, 9680, 739
• GCF of 61, 7740, 799
• GCF of 86, 6832, 988
• GCF of 75, 1431, 773

1. What is the GCF of 80, 1428, 637?

Answer: GCF of 80, 1428, 637 is 1.

2. How to Find the GCF of 80, 1428, 637

Answer: Greatest Common Factor(GCF) of 80, 1428, 637 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 1428, 637) = 1.