Greatest Common Factor of 97, 21, 90, 14

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

• Greatest Common Factor of 97, 21, 90, 14 by common division method
• Greatest Common Factor of 97, 21, 90, 14 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 97

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

1,97

Factors of 21

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

1,3,7,21

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 14

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

1,2,7,14

Greatest Common Factor

We found the factors 97,21,90,14 . The biggest common factor number is the GCF number.
So the greatest common factor 97,21,90,14 is 1.

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

• GCF of 74, 99, 51, 34
• GCF of 46, 86, 78, 11
• GCF of 88, 15, 76, 19
• GCF of 22, 92, 67, 74
• GCF of 63, 31, 36, 31

1. What is the GCF of 97, 21, 90, 14?

Answer: GCF of 97, 21, 90, 14 is 1.

2. How to Find the GCF of 97, 21, 90, 14

Answer: Greatest Common Factor(GCF) of 97, 21, 90, 14 = 1

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

Step 2: Then multiply all the prime factors GCF(97, 21, 90, 14) = 1.