Greatest Common Factor of 30, 36, 91, 972

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

• Greatest Common Factor of 30, 36, 91, 972 by common division method
• Greatest Common Factor of 30, 36, 91, 972 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 30

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

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

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Greatest Common Factor

We found the factors 30,36,91,972 . The biggest common factor number is the GCF number.
So the greatest common factor 30,36,91,972 is 1.

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

• GCF of 82, 97, 67, 923
• GCF of 21, 99, 11, 813
• GCF of 80, 90, 54, 192
• GCF of 88, 95, 95, 517
• GCF of 29, 73, 41, 909

1. What is the GCF of 30, 36, 91, 972?

Answer: GCF of 30, 36, 91, 972 is 1.

2. How to Find the GCF of 30, 36, 91, 972

Answer: Greatest Common Factor(GCF) of 30, 36, 91, 972 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 36, 91, 972) = 1.