Greatest Common Factor of 15, 40, 975

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

• Greatest Common Factor of 15, 40, 975 by common division method
• Greatest Common Factor of 15, 40, 975 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 15

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

1,3,5,15

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Greatest Common Factor

We found the factors 15,40,975 . The biggest common factor number is the GCF number.
So the greatest common factor 15,40,975 is 5.

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

• GCF of 86, 88, 128
• GCF of 81, 79, 160
• GCF of 75, 51, 716
• GCF of 38, 49, 522
• GCF of 35, 33, 144

1. What is the GCF of 15, 40, 975?

Answer: GCF of 15, 40, 975 is 5.

2. How to Find the GCF of 15, 40, 975

Answer: Greatest Common Factor(GCF) of 15, 40, 975 = 5

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

Step 2: Then multiply all the prime factors GCF(15, 40, 975) = 5.