Greatest Common Factor of 23, 42, 64, 156

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

• Greatest Common Factor of 23, 42, 64, 156 by common division method
• Greatest Common Factor of 23, 42, 64, 156 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 156

List of positive integer factors of 156 that divides 156 without a remainder.

1,2,3,4,6,12,13,26,39,52,78,156

Greatest Common Factor

We found the factors 23,42,64,156 . The biggest common factor number is the GCF number.
So the greatest common factor 23,42,64,156 is 1.

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

• GCF of 31, 73, 24, 565
• GCF of 75, 22, 20, 100
• GCF of 78, 97, 32, 473
• GCF of 38, 96, 27, 967
• GCF of 43, 63, 65, 591

1. What is the GCF of 23, 42, 64, 156?

Answer: GCF of 23, 42, 64, 156 is 1.

2. How to Find the GCF of 23, 42, 64, 156

Answer: Greatest Common Factor(GCF) of 23, 42, 64, 156 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 42, 64, 156) = 1.