Greatest Common Factor of 25, 77, 16, 12

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

• Greatest Common Factor of 25, 77, 16, 12 by common division method
• Greatest Common Factor of 25, 77, 16, 12 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 25,77,16,12 . The biggest common factor number is the GCF number.
So the greatest common factor 25,77,16,12 is 1.

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

• GCF of 86, 26, 76, 89
• GCF of 59, 32, 58, 15
• GCF of 28, 96, 29, 16
• GCF of 63, 72, 56, 39
• GCF of 61, 37, 95, 31

1. What is the GCF of 25, 77, 16, 12?

Answer: GCF of 25, 77, 16, 12 is 1.

2. How to Find the GCF of 25, 77, 16, 12

Answer: Greatest Common Factor(GCF) of 25, 77, 16, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 77, 16, 12) = 1.