Greatest Common Factor of 39, 13, 66, 12, 25

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

• Greatest Common Factor of 39, 13, 66, 12, 25 by common division method
• Greatest Common Factor of 39, 13, 66, 12, 25 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 12

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

1,2,3,4,6,12

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 39,13,66,12,25 . The biggest common factor number is the GCF number.
So the greatest common factor 39,13,66,12,25 is 1.

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

• GCF of 94, 67, 73, 74, 17
• GCF of 89, 35, 80, 60, 72
• GCF of 82, 12, 68, 10, 42
• GCF of 84, 19, 31, 67, 45
• GCF of 41, 68, 70, 74, 19

1. What is the GCF of 39, 13, 66, 12, 25?

Answer: GCF of 39, 13, 66, 12, 25 is 1.

2. How to Find the GCF of 39, 13, 66, 12, 25

Answer: Greatest Common Factor(GCF) of 39, 13, 66, 12, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 13, 66, 12, 25) = 1.