Greatest Common Factor of 72, 90, 51, 517

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

• Greatest Common Factor of 72, 90, 51, 517 by common division method
• Greatest Common Factor of 72, 90, 51, 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 51

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

1,3,17,51

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 72,90,51,517 . The biggest common factor number is the GCF number.
So the greatest common factor 72,90,51,517 is 1.

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

• GCF of 48, 37, 99, 317
• GCF of 77, 72, 46, 973
• GCF of 60, 28, 91, 543
• GCF of 86, 49, 82, 242
• GCF of 29, 72, 42, 573

1. What is the GCF of 72, 90, 51, 517?

Answer: GCF of 72, 90, 51, 517 is 1.

2. How to Find the GCF of 72, 90, 51, 517

Answer: Greatest Common Factor(GCF) of 72, 90, 51, 517 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 90, 51, 517) = 1.