Greatest Common Factor of 23, 51, 10, 91

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

• Greatest Common Factor of 23, 51, 10, 91 by common division method
• Greatest Common Factor of 23, 51, 10, 91 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 91

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

1,7,13,91

Greatest Common Factor

We found the factors 23,51,10,91 . The biggest common factor number is the GCF number.
So the greatest common factor 23,51,10,91 is 1.

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

• GCF of 28, 28, 30, 18
• GCF of 51, 75, 23, 17
• GCF of 46, 21, 87, 81
• GCF of 42, 64, 15, 32
• GCF of 44, 24, 44, 14

1. What is the GCF of 23, 51, 10, 91?

Answer: GCF of 23, 51, 10, 91 is 1.

2. How to Find the GCF of 23, 51, 10, 91

Answer: Greatest Common Factor(GCF) of 23, 51, 10, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 51, 10, 91) = 1.