Greatest Common Factor of 51, 83, 72, 690

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

• Greatest Common Factor of 51, 83, 72, 690 by common division method
• Greatest Common Factor of 51, 83, 72, 690 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 51

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

1,3,17,51

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 51,83,72,690 . The biggest common factor number is the GCF number.
So the greatest common factor 51,83,72,690 is 1.

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

• GCF of 25, 80, 44, 461
• GCF of 32, 93, 22, 232
• GCF of 20, 23, 97, 551
• GCF of 26, 72, 65, 993
• GCF of 49, 74, 75, 357

1. What is the GCF of 51, 83, 72, 690?

Answer: GCF of 51, 83, 72, 690 is 1.

2. How to Find the GCF of 51, 83, 72, 690

Answer: Greatest Common Factor(GCF) of 51, 83, 72, 690 = 1

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

Step 2: Then multiply all the prime factors GCF(51, 83, 72, 690) = 1.