Greatest Common Factor of 1, 9, 51, 39

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

• Greatest Common Factor of 1, 9, 51, 39 by common division method
• Greatest Common Factor of 1, 9, 51, 39 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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Factors of 51

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

1,3,17,51

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Greatest Common Factor

We found the factors 1,9,51,39 . The biggest common factor number is the GCF number.
So the greatest common factor 1,9,51,39 is 1.

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

• GCF of 1, 1, 69, 20
• GCF of 8, 1, 75, 93
• GCF of 4, 5, 82, 57
• GCF of 8, 4, 35, 80
• GCF of 1, 9, 94, 67

1. What is the GCF of 1, 9, 51, 39?

Answer: GCF of 1, 9, 51, 39 is 1.

2. How to Find the GCF of 1, 9, 51, 39

Answer: Greatest Common Factor(GCF) of 1, 9, 51, 39 = 1

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

Step 2: Then multiply all the prime factors GCF(1, 9, 51, 39) = 1.