Greatest Common Factor of 642, 790, 856

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

• Greatest Common Factor of 642, 790, 856 by common division method
• Greatest Common Factor of 642, 790, 856 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 790

List of positive integer factors of 790 that divides 790 without a remainder.

1,2,5,10,79,158,395,790

Factors of 856

List of positive integer factors of 856 that divides 856 without a remainder.

1,2,4,8,107,214,428,856

Greatest Common Factor

We found the factors 642,790,856 . The biggest common factor number is the GCF number.
So the greatest common factor 642,790,856 is 2.

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

• GCF of 399, 911, 160
• GCF of 924, 689, 421
• GCF of 906, 361, 644
• GCF of 990, 430, 903
• GCF of 107, 230, 577

1. What is the GCF of 642, 790, 856?

Answer: GCF of 642, 790, 856 is 2.

2. How to Find the GCF of 642, 790, 856

Answer: Greatest Common Factor(GCF) of 642, 790, 856 = 2

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

Step 2: Then multiply all the prime factors GCF(642, 790, 856) = 2.