Greatest Common Factor of 17, 56, 40

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

• Greatest Common Factor of 17, 56, 40 by common division method
• Greatest Common Factor of 17, 56, 40 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 40

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

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

Greatest Common Factor

We found the factors 17,56,40 . The biggest common factor number is the GCF number.
So the greatest common factor 17,56,40 is 1.

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

• GCF of 17, 68, 49
• GCF of 58, 29, 17
• GCF of 99, 60, 48
• GCF of 63, 49, 31
• GCF of 97, 11, 59

1. What is the GCF of 17, 56, 40?

Answer: GCF of 17, 56, 40 is 1.

2. How to Find the GCF of 17, 56, 40

Answer: Greatest Common Factor(GCF) of 17, 56, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 56, 40) = 1.