Greatest Common Factor of 65, 97, 21, 313

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

• Greatest Common Factor of 65, 97, 21, 313 by common division method
• Greatest Common Factor of 65, 97, 21, 313 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 21

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

1,3,7,21

Factors of 313

List of positive integer factors of 313 that divides 313 without a remainder.

1,313

Greatest Common Factor

We found the factors 65,97,21,313 . The biggest common factor number is the GCF number.
So the greatest common factor 65,97,21,313 is 1.

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

• GCF of 61, 33, 74, 573
• GCF of 68, 40, 78, 863
• GCF of 13, 16, 56, 608
• GCF of 80, 45, 10, 218
• GCF of 37, 70, 16, 569

1. What is the GCF of 65, 97, 21, 313?

Answer: GCF of 65, 97, 21, 313 is 1.

2. How to Find the GCF of 65, 97, 21, 313

Answer: Greatest Common Factor(GCF) of 65, 97, 21, 313 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 97, 21, 313) = 1.