Greatest Common Factor of 642, 790, 870

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

• Greatest Common Factor of 642, 790, 870 by common division method
• Greatest Common Factor of 642, 790, 870 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 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 642,790,870 . The biggest common factor number is the GCF number.
So the greatest common factor 642,790,870 is 2.

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

• GCF of 748, 450, 760
• GCF of 962, 648, 850
• GCF of 349, 259, 569
• GCF of 690, 277, 286
• GCF of 382, 785, 570

1. What is the GCF of 642, 790, 870?

Answer: GCF of 642, 790, 870 is 2.

2. How to Find the GCF of 642, 790, 870

Answer: Greatest Common Factor(GCF) of 642, 790, 870 = 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, 870) = 2.