Greatest Common Factor of 975, 642, 87

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

• Greatest Common Factor of 975, 642, 87 by common division method
• Greatest Common Factor of 975, 642, 87 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 975,642,87 . The biggest common factor number is the GCF number.
So the greatest common factor 975,642,87 is 3.

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

• GCF of 949, 680, 88
• GCF of 280, 527, 33
• GCF of 491, 867, 32
• GCF of 370, 331, 21
• GCF of 112, 671, 40

1. What is the GCF of 975, 642, 87?

Answer: GCF of 975, 642, 87 is 3.

2. How to Find the GCF of 975, 642, 87

Answer: Greatest Common Factor(GCF) of 975, 642, 87 = 3

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

Step 2: Then multiply all the prime factors GCF(975, 642, 87) = 3.