Greatest Common Factor of 40, 6, 10, 18

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

• Greatest Common Factor of 40, 6, 10, 18 by common division method
• Greatest Common Factor of 40, 6, 10, 18 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 6

List of positive integer factors of 6 that divides 6 without a remainder.

1,2,3,6

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 40,6,10,18 . The biggest common factor number is the GCF number.
So the greatest common factor 40,6,10,18 is 2.

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

• GCF of 27, 1, 23, 37
• GCF of 66, 6, 38, 61
• GCF of 59, 8, 19, 29
• GCF of 83, 5, 50, 71
• GCF of 76, 6, 39, 61

1. What is the GCF of 40, 6, 10, 18?

Answer: GCF of 40, 6, 10, 18 is 2.

2. How to Find the GCF of 40, 6, 10, 18

Answer: Greatest Common Factor(GCF) of 40, 6, 10, 18 = 2

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

Step 2: Then multiply all the prime factors GCF(40, 6, 10, 18) = 2.