Greatest Common Factor of 870, 645, 742

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

• Greatest Common Factor of 870, 645, 742 by common division method
• Greatest Common Factor of 870, 645, 742 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 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

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Greatest Common Factor

We found the factors 870,645,742 . The biggest common factor number is the GCF number.
So the greatest common factor 870,645,742 is 1.

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

• GCF of 813, 794, 548
• GCF of 386, 145, 889
• GCF of 923, 794, 469
• GCF of 327, 671, 995
• GCF of 780, 860, 957

1. What is the GCF of 870, 645, 742?

Answer: GCF of 870, 645, 742 is 1.

2. How to Find the GCF of 870, 645, 742

Answer: Greatest Common Factor(GCF) of 870, 645, 742 = 1

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

Step 2: Then multiply all the prime factors GCF(870, 645, 742) = 1.