Greatest Common Factor of 12, 72, 36, 45

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

• Greatest Common Factor of 12, 72, 36, 45 by common division method
• Greatest Common Factor of 12, 72, 36, 45 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 12

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

1,2,3,4,6,12

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 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 12,72,36,45 . The biggest common factor number is the GCF number.
So the greatest common factor 12,72,36,45 is 3.

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

• GCF of 14, 56, 51, 95
• GCF of 26, 20, 45, 21
• GCF of 22, 54, 53, 71
• GCF of 53, 49, 16, 57
• GCF of 75, 85, 58, 96

1. What is the GCF of 12, 72, 36, 45?

Answer: GCF of 12, 72, 36, 45 is 3.

2. How to Find the GCF of 12, 72, 36, 45

Answer: Greatest Common Factor(GCF) of 12, 72, 36, 45 = 3

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

Step 2: Then multiply all the prime factors GCF(12, 72, 36, 45) = 3.