Greatest Common Factor of 40, 86, 72

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

• Greatest Common Factor of 40, 86, 72 by common division method
• Greatest Common Factor of 40, 86, 72 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

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

Greatest Common Factor

We found the factors 40,86,72 . The biggest common factor number is the GCF number.
So the greatest common factor 40,86,72 is 2.

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

• GCF of 46, 42, 80
• GCF of 60, 91, 93
• GCF of 33, 15, 88
• GCF of 18, 95, 14
• GCF of 38, 10, 29

1. What is the GCF of 40, 86, 72?

Answer: GCF of 40, 86, 72 is 2.

2. How to Find the GCF of 40, 86, 72

Answer: Greatest Common Factor(GCF) of 40, 86, 72 = 2

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

Step 2: Then multiply all the prime factors GCF(40, 86, 72) = 2.