Greatest Common Factor of 984, 975, 21

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

• Greatest Common Factor of 984, 975, 21 by common division method
• Greatest Common Factor of 984, 975, 21 with matching the biggest common factor

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

Factors of 984

List of positive integer factors of 984 that divides 984 without a remainder.

1,2,3,4,6,8,12,24,41,82,123,164,246,328,492,984

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 984,975,21 . The biggest common factor number is the GCF number.
So the greatest common factor 984,975,21 is 3.

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

• GCF of 720, 292, 73
• GCF of 455, 129, 85
• GCF of 130, 117, 52
• GCF of 329, 287, 88
• GCF of 219, 849, 58

1. What is the GCF of 984, 975, 21?

Answer: GCF of 984, 975, 21 is 3.

2. How to Find the GCF of 984, 975, 21

Answer: Greatest Common Factor(GCF) of 984, 975, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(984, 975, 21) = 3.