Greatest Common Factor of 72, 25, 19, 165

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

• Greatest Common Factor of 72, 25, 19, 165 by common division method
• Greatest Common Factor of 72, 25, 19, 165 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 25

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

1,5,25

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Greatest Common Factor

We found the factors 72,25,19,165 . The biggest common factor number is the GCF number.
So the greatest common factor 72,25,19,165 is 1.

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

• GCF of 39, 12, 63, 174
• GCF of 67, 39, 45, 425
• GCF of 42, 51, 43, 562
• GCF of 75, 47, 53, 123
• GCF of 99, 97, 94, 635

1. What is the GCF of 72, 25, 19, 165?

Answer: GCF of 72, 25, 19, 165 is 1.

2. How to Find the GCF of 72, 25, 19, 165

Answer: Greatest Common Factor(GCF) of 72, 25, 19, 165 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 25, 19, 165) = 1.