Greatest Common Factor of 2, 17, 40, 61

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

• Greatest Common Factor of 2, 17, 40, 61 by common division method
• Greatest Common Factor of 2, 17, 40, 61 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 2

List of positive integer factors of 2 that divides 2 without a remainder.

1,2

Factors of 17

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

1,17

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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 2,17,40,61 . The biggest common factor number is the GCF number.
So the greatest common factor 2,17,40,61 is 1.

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

• GCF of 1, 47, 76, 42
• GCF of 5, 30, 15, 96
• GCF of 8, 33, 87, 63
• GCF of 7, 54, 45, 59
• GCF of 7, 35, 54, 24

1. What is the GCF of 2, 17, 40, 61?

Answer: GCF of 2, 17, 40, 61 is 1.

2. How to Find the GCF of 2, 17, 40, 61

Answer: Greatest Common Factor(GCF) of 2, 17, 40, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(2, 17, 40, 61) = 1.