Greatest Common Factor of 39, 91, 30, 3

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

• Greatest Common Factor of 39, 91, 30, 3 by common division method
• Greatest Common Factor of 39, 91, 30, 3 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 39

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

1,3,13,39

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Greatest Common Factor

We found the factors 39,91,30,3 . The biggest common factor number is the GCF number.
So the greatest common factor 39,91,30,3 is 1.

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

• GCF of 47, 32, 54, 9
• GCF of 90, 42, 82, 8
• GCF of 59, 80, 62, 7
• GCF of 39, 63, 39, 1
• GCF of 57, 47, 59, 7

1. What is the GCF of 39, 91, 30, 3?

Answer: GCF of 39, 91, 30, 3 is 1.

2. How to Find the GCF of 39, 91, 30, 3

Answer: Greatest Common Factor(GCF) of 39, 91, 30, 3 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 91, 30, 3) = 1.