Greatest Common Factor of 1, 72, 23, 12

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

• Greatest Common Factor of 1, 72, 23, 12 by common division method
• Greatest Common Factor of 1, 72, 23, 12 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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

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 23

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

1,23

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 1,72,23,12 . The biggest common factor number is the GCF number.
So the greatest common factor 1,72,23,12 is 1.

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

• GCF of 9, 84, 40, 23
• GCF of 7, 39, 56, 45
• GCF of 6, 45, 34, 91
• GCF of 5, 52, 47, 77
• GCF of 9, 57, 82, 62

1. What is the GCF of 1, 72, 23, 12?

Answer: GCF of 1, 72, 23, 12 is 1.

2. How to Find the GCF of 1, 72, 23, 12

Answer: Greatest Common Factor(GCF) of 1, 72, 23, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(1, 72, 23, 12) = 1.