Greatest Common Factor of 25, 74, 42, 11, 66

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

• Greatest Common Factor of 25, 74, 42, 11, 66 by common division method
• Greatest Common Factor of 25, 74, 42, 11, 66 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 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

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 66

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

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

Greatest Common Factor

We found the factors 25,74,42,11,66 . The biggest common factor number is the GCF number.
So the greatest common factor 25,74,42,11,66 is 1.

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

• GCF of 81, 94, 34, 14, 57
• GCF of 22, 31, 65, 54, 17
• GCF of 80, 15, 95, 85, 81
• GCF of 34, 31, 36, 58, 45
• GCF of 83, 26, 13, 16, 58

1. What is the GCF of 25, 74, 42, 11, 66?

Answer: GCF of 25, 74, 42, 11, 66 is 1.

2. How to Find the GCF of 25, 74, 42, 11, 66

Answer: Greatest Common Factor(GCF) of 25, 74, 42, 11, 66 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 74, 42, 11, 66) = 1.