Greatest Common Factor of 18, 29, 61, 656

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

• Greatest Common Factor of 18, 29, 61, 656 by common division method
• Greatest Common Factor of 18, 29, 61, 656 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 61

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

1,61

Factors of 656

List of positive integer factors of 656 that divides 656 without a remainder.

1,2,4,8,16,41,82,164,328,656

Greatest Common Factor

We found the factors 18,29,61,656 . The biggest common factor number is the GCF number.
So the greatest common factor 18,29,61,656 is 1.

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

• GCF of 10, 31, 89, 595
• GCF of 24, 68, 28, 923
• GCF of 50, 19, 37, 357
• GCF of 24, 39, 45, 250
• GCF of 69, 23, 55, 828

1. What is the GCF of 18, 29, 61, 656?

Answer: GCF of 18, 29, 61, 656 is 1.

2. How to Find the GCF of 18, 29, 61, 656

Answer: Greatest Common Factor(GCF) of 18, 29, 61, 656 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 29, 61, 656) = 1.