Greatest Common Factor of 21, 31, 59, 99, 35

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

• Greatest Common Factor of 21, 31, 59, 99, 35 by common division method
• Greatest Common Factor of 21, 31, 59, 99, 35 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Greatest Common Factor

We found the factors 21,31,59,99,35 . The biggest common factor number is the GCF number.
So the greatest common factor 21,31,59,99,35 is 1.

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

• GCF of 46, 69, 44, 20, 85
• GCF of 19, 98, 97, 49, 18
• GCF of 18, 60, 35, 13, 44
• GCF of 59, 98, 45, 99, 60
• GCF of 78, 55, 69, 53, 92

1. What is the GCF of 21, 31, 59, 99, 35?

Answer: GCF of 21, 31, 59, 99, 35 is 1.

2. How to Find the GCF of 21, 31, 59, 99, 35

Answer: Greatest Common Factor(GCF) of 21, 31, 59, 99, 35 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 31, 59, 99, 35) = 1.