Greatest Common Factor of 856, 645, 142

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

• Greatest Common Factor of 856, 645, 142 by common division method
• Greatest Common Factor of 856, 645, 142 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 856

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

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

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 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 856,645,142 . The biggest common factor number is the GCF number.
So the greatest common factor 856,645,142 is 1.

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

• GCF of 453, 739, 835
• GCF of 800, 987, 832
• GCF of 397, 437, 614
• GCF of 517, 519, 478
• GCF of 288, 925, 298

1. What is the GCF of 856, 645, 142?

Answer: GCF of 856, 645, 142 is 1.

2. How to Find the GCF of 856, 645, 142

Answer: Greatest Common Factor(GCF) of 856, 645, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(856, 645, 142) = 1.