Greatest Common Factor of 970, 115, 21

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

• Greatest Common Factor of 970, 115, 21 by common division method
• Greatest Common Factor of 970, 115, 21 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 970

List of positive integer factors of 970 that divides 970 without a remainder.

1,2,5,10,97,194,485,970

Factors of 115

List of positive integer factors of 115 that divides 115 without a remainder.

1,5,23,115

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 970,115,21 . The biggest common factor number is the GCF number.
So the greatest common factor 970,115,21 is 1.

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

• GCF of 404, 202, 38
• GCF of 573, 287, 85
• GCF of 192, 654, 30
• GCF of 256, 736, 16
• GCF of 915, 657, 18

1. What is the GCF of 970, 115, 21?

Answer: GCF of 970, 115, 21 is 1.

2. How to Find the GCF of 970, 115, 21

Answer: Greatest Common Factor(GCF) of 970, 115, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(970, 115, 21) = 1.