Greatest Common Factor of 40, 42, 72

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

• Greatest Common Factor of 40, 42, 72 by common division method
• Greatest Common Factor of 40, 42, 72 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 42

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

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

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 40,42,72 . The biggest common factor number is the GCF number.
So the greatest common factor 40,42,72 is 2.

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

• GCF of 89, 57, 49
• GCF of 49, 80, 62
• GCF of 68, 98, 25
• GCF of 23, 19, 30
• GCF of 90, 57, 61

1. What is the GCF of 40, 42, 72?

Answer: GCF of 40, 42, 72 is 2.

2. How to Find the GCF of 40, 42, 72

Answer: Greatest Common Factor(GCF) of 40, 42, 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, 42, 72) = 2.