Greatest Common Factor of 21, 58, 97, 653

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

• Greatest Common Factor of 21, 58, 97, 653 by common division method
• Greatest Common Factor of 21, 58, 97, 653 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 21

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

1,3,7,21

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 97

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

1,97

Factors of 653

List of positive integer factors of 653 that divides 653 without a remainder.

1,653

Greatest Common Factor

We found the factors 21,58,97,653 . The biggest common factor number is the GCF number.
So the greatest common factor 21,58,97,653 is 1.

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

• GCF of 46, 83, 46, 226
• GCF of 80, 61, 51, 735
• GCF of 67, 12, 75, 267
• GCF of 61, 70, 64, 765
• GCF of 28, 50, 58, 433

1. What is the GCF of 21, 58, 97, 653?

Answer: GCF of 21, 58, 97, 653 is 1.

2. How to Find the GCF of 21, 58, 97, 653

Answer: Greatest Common Factor(GCF) of 21, 58, 97, 653 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 58, 97, 653) = 1.