Greatest Common Factor of 21, 8, 62, 16

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

• Greatest Common Factor of 21, 8, 62, 16 by common division method
• Greatest Common Factor of 21, 8, 62, 16 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 62

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

1,2,31,62

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 21,8,62,16 . The biggest common factor number is the GCF number.
So the greatest common factor 21,8,62,16 is 1.

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

• GCF of 83, 4, 38, 24
• GCF of 28, 8, 68, 52
• GCF of 60, 3, 98, 85
• GCF of 86, 7, 84, 40
• GCF of 30, 6, 43, 49

1. What is the GCF of 21, 8, 62, 16?

Answer: GCF of 21, 8, 62, 16 is 1.

2. How to Find the GCF of 21, 8, 62, 16

Answer: Greatest Common Factor(GCF) of 21, 8, 62, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 8, 62, 16) = 1.