Greatest Common Factor of 21, 58, 62, 30

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

• Greatest Common Factor of 21, 58, 62, 30 by common division method
• Greatest Common Factor of 21, 58, 62, 30 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 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 21,58,62,30 . The biggest common factor number is the GCF number.
So the greatest common factor 21,58,62,30 is 1.

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

• GCF of 56, 37, 80, 23
• GCF of 76, 80, 60, 82
• GCF of 84, 86, 64, 62
• GCF of 96, 99, 90, 37
• GCF of 85, 54, 31, 28

1. What is the GCF of 21, 58, 62, 30?

Answer: GCF of 21, 58, 62, 30 is 1.

2. How to Find the GCF of 21, 58, 62, 30

Answer: Greatest Common Factor(GCF) of 21, 58, 62, 30 = 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, 62, 30) = 1.