Greatest Common Factor of 25, 55, 12, 80

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

• Greatest Common Factor of 25, 55, 12, 80 by common division method
• Greatest Common Factor of 25, 55, 12, 80 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 12

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

1,2,3,4,6,12

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

Greatest Common Factor

We found the factors 25,55,12,80 . The biggest common factor number is the GCF number.
So the greatest common factor 25,55,12,80 is 1.

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

• GCF of 10, 83, 83, 67
• GCF of 49, 33, 41, 52
• GCF of 43, 97, 94, 19
• GCF of 62, 61, 88, 70
• GCF of 14, 67, 41, 79

1. What is the GCF of 25, 55, 12, 80?

Answer: GCF of 25, 55, 12, 80 is 1.

2. How to Find the GCF of 25, 55, 12, 80

Answer: Greatest Common Factor(GCF) of 25, 55, 12, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 55, 12, 80) = 1.