Greatest Common Factor of 15, 74, 90, 60, 25

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

• Greatest Common Factor of 15, 74, 90, 60, 25 by common division method
• Greatest Common Factor of 15, 74, 90, 60, 25 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 74

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

1,2,37,74

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 25

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

1,5,25

Greatest Common Factor

We found the factors 15,74,90,60,25 . The biggest common factor number is the GCF number.
So the greatest common factor 15,74,90,60,25 is 1.

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

• GCF of 76, 29, 21, 20, 10
• GCF of 91, 81, 81, 28, 76
• GCF of 23, 52, 69, 97, 81
• GCF of 64, 54, 89, 50, 68
• GCF of 96, 79, 34, 43, 13

1. What is the GCF of 15, 74, 90, 60, 25?

Answer: GCF of 15, 74, 90, 60, 25 is 1.

2. How to Find the GCF of 15, 74, 90, 60, 25

Answer: Greatest Common Factor(GCF) of 15, 74, 90, 60, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 74, 90, 60, 25) = 1.