Greatest Common Factor of 91, 49, 72, 891

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

• Greatest Common Factor of 91, 49, 72, 891 by common division method
• Greatest Common Factor of 91, 49, 72, 891 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 91

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

1,7,13,91

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

Greatest Common Factor

We found the factors 91,49,72,891 . The biggest common factor number is the GCF number.
So the greatest common factor 91,49,72,891 is 1.

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

• GCF of 40, 81, 49, 447
• GCF of 30, 35, 27, 787
• GCF of 81, 75, 39, 951
• GCF of 72, 10, 72, 973
• GCF of 67, 45, 39, 195

1. What is the GCF of 91, 49, 72, 891?

Answer: GCF of 91, 49, 72, 891 is 1.

2. How to Find the GCF of 91, 49, 72, 891

Answer: Greatest Common Factor(GCF) of 91, 49, 72, 891 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 49, 72, 891) = 1.