Greatest Common Factor of 18, 51, 77, 517

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

• Greatest Common Factor of 18, 51, 77, 517 by common division method
• Greatest Common Factor of 18, 51, 77, 517 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 517

List of positive integer factors of 517 that divides 517 without a remainder.

1,11,47,517

Greatest Common Factor

We found the factors 18,51,77,517 . The biggest common factor number is the GCF number.
So the greatest common factor 18,51,77,517 is 1.

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

• GCF of 17, 62, 87, 591
• GCF of 75, 62, 65, 821
• GCF of 44, 31, 14, 947
• GCF of 27, 77, 62, 212
• GCF of 97, 46, 72, 952

1. What is the GCF of 18, 51, 77, 517?

Answer: GCF of 18, 51, 77, 517 is 1.

2. How to Find the GCF of 18, 51, 77, 517

Answer: Greatest Common Factor(GCF) of 18, 51, 77, 517 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 51, 77, 517) = 1.