Greatest Common Factor of 977, 1638

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

• Greatest Common Factor of 977, 1638 by common division method
• Greatest Common Factor of 977, 1638 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 977

List of positive integer factors of 977 that divides 977 without a remainder.

1,977

Factors of 1638

List of positive integer factors of 1638 that divides 1638 without a remainder.

1,2,3,6,7,9,13,14,18,21,26,39,42,63,78,91,117,126,182,234,273,546,819,1638

Greatest Common Factor

We found the factors 977,1638 . The biggest common factor number is the GCF number.
So the greatest common factor 977,1638 is 1.

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

• GCF of 630, 4734
• GCF of 483, 7521
• GCF of 550, 3540
• GCF of 157, 8464
• GCF of 352, 6965

1. What is the GCF of 977, 1638?

Answer: GCF of 977, 1638 is 1.

2. How to Find the GCF of 977, 1638

Answer: Greatest Common Factor(GCF) of 977, 1638 = 1

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

Step 2: Then multiply all the prime factors GCF(977, 1638) = 1.