Greatest Common Factor of 981, 39, 643

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

• Greatest Common Factor of 981, 39, 643 by common division method
• Greatest Common Factor of 981, 39, 643 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 981

List of positive integer factors of 981 that divides 981 without a remainder.

1,3,9,109,327,981

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Greatest Common Factor

We found the factors 981,39,643 . The biggest common factor number is the GCF number.
So the greatest common factor 981,39,643 is 1.

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

• GCF of 568, 55, 150
• GCF of 431, 87, 756
• GCF of 813, 60, 191
• GCF of 675, 73, 659
• GCF of 765, 83, 317

1. What is the GCF of 981, 39, 643?

Answer: GCF of 981, 39, 643 is 1.

2. How to Find the GCF of 981, 39, 643

Answer: Greatest Common Factor(GCF) of 981, 39, 643 = 1

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

Step 2: Then multiply all the prime factors GCF(981, 39, 643) = 1.