Greatest Common Factor of 25, 12, 74, 42

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

• Greatest Common Factor of 25, 12, 74, 42 by common division method
• Greatest Common Factor of 25, 12, 74, 42 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 12

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

1,2,3,4,6,12

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 25,12,74,42 . The biggest common factor number is the GCF number.
So the greatest common factor 25,12,74,42 is 1.

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

• GCF of 43, 68, 42, 62
• GCF of 33, 75, 72, 17
• GCF of 60, 40, 96, 34
• GCF of 39, 57, 83, 48
• GCF of 58, 66, 79, 40

1. What is the GCF of 25, 12, 74, 42?

Answer: GCF of 25, 12, 74, 42 is 1.

2. How to Find the GCF of 25, 12, 74, 42

Answer: Greatest Common Factor(GCF) of 25, 12, 74, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 12, 74, 42) = 1.