Greatest Common Factor of 27, 21, 970

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

• Greatest Common Factor of 27, 21, 970 by common division method
• Greatest Common Factor of 27, 21, 970 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 21

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

1,3,7,21

Factors of 970

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

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

Greatest Common Factor

We found the factors 27,21,970 . The biggest common factor number is the GCF number.
So the greatest common factor 27,21,970 is 1.

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

• GCF of 16, 52, 429
• GCF of 96, 11, 345
• GCF of 31, 76, 215
• GCF of 85, 75, 895
• GCF of 71, 75, 902

1. What is the GCF of 27, 21, 970?

Answer: GCF of 27, 21, 970 is 1.

2. How to Find the GCF of 27, 21, 970

Answer: Greatest Common Factor(GCF) of 27, 21, 970 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 21, 970) = 1.