Greatest Common Factor of 25, 39, 63, 80, 166

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

• Greatest Common Factor of 25, 39, 63, 80, 166 by common division method
• Greatest Common Factor of 25, 39, 63, 80, 166 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 25

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

1,5,25

Factors of 39

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

1,3,13,39

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 166

List of positive integer factors of 166 that divides 166 without a remainder.

1,2,83,166

Greatest Common Factor

We found the factors 25,39,63,80,166 . The biggest common factor number is the GCF number.
So the greatest common factor 25,39,63,80,166 is 1.

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

• GCF of 54, 64, 72, 71, 652
• GCF of 35, 89, 32, 64, 104
• GCF of 67, 37, 51, 20, 303
• GCF of 86, 96, 99, 51, 201
• GCF of 21, 17, 38, 48, 458

1. What is the GCF of 25, 39, 63, 80, 166?

Answer: GCF of 25, 39, 63, 80, 166 is 1.

2. How to Find the GCF of 25, 39, 63, 80, 166

Answer: Greatest Common Factor(GCF) of 25, 39, 63, 80, 166 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 39, 63, 80, 166) = 1.