Greatest Common Factor of 80, 83, 21, 970

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

• Greatest Common Factor of 80, 83, 21, 970 by common division method
• Greatest Common Factor of 80, 83, 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

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 80,83,21,970 . The biggest common factor number is the GCF number.
So the greatest common factor 80,83,21,970 is 1.

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

• GCF of 42, 65, 37, 625
• GCF of 15, 47, 95, 364
• GCF of 84, 53, 99, 562
• GCF of 40, 21, 92, 784
• GCF of 54, 33, 38, 317

1. What is the GCF of 80, 83, 21, 970?

Answer: GCF of 80, 83, 21, 970 is 1.

2. How to Find the GCF of 80, 83, 21, 970

Answer: Greatest Common Factor(GCF) of 80, 83, 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(80, 83, 21, 970) = 1.