Greatest Common Factor of 14, 55, 89, 21, 31

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

• Greatest Common Factor of 14, 55, 89, 21, 31 by common division method
• Greatest Common Factor of 14, 55, 89, 21, 31 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 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

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

Greatest Common Factor

We found the factors 14,55,89,21,31 . The biggest common factor number is the GCF number.
So the greatest common factor 14,55,89,21,31 is 1.

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

• GCF of 18, 96, 79, 13, 40
• GCF of 50, 22, 95, 85, 34
• GCF of 77, 45, 48, 17, 23
• GCF of 79, 21, 34, 34, 47
• GCF of 28, 15, 60, 94, 39

1. What is the GCF of 14, 55, 89, 21, 31?

Answer: GCF of 14, 55, 89, 21, 31 is 1.

2. How to Find the GCF of 14, 55, 89, 21, 31

Answer: Greatest Common Factor(GCF) of 14, 55, 89, 21, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(14, 55, 89, 21, 31) = 1.