Greatest Common Factor of 1, 40, 12, 60

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

• Greatest Common Factor of 1, 40, 12, 60 by common division method
• Greatest Common Factor of 1, 40, 12, 60 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 40

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

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

Factors of 12

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

1,2,3,4,6,12

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 1,40,12,60 . The biggest common factor number is the GCF number.
So the greatest common factor 1,40,12,60 is 1.

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

• GCF of 6, 79, 85, 34
• GCF of 5, 91, 49, 34
• GCF of 5, 82, 50, 57
• GCF of 1, 36, 49, 57
• GCF of 7, 95, 39, 15

1. What is the GCF of 1, 40, 12, 60?

Answer: GCF of 1, 40, 12, 60 is 1.

2. How to Find the GCF of 1, 40, 12, 60

Answer: Greatest Common Factor(GCF) of 1, 40, 12, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(1, 40, 12, 60) = 1.