Greatest Common Factor of 39, 90, 87, 65

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

• Greatest Common Factor of 39, 90, 87, 65 by common division method
• Greatest Common Factor of 39, 90, 87, 65 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 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Greatest Common Factor

We found the factors 39,90,87,65 . The biggest common factor number is the GCF number.
So the greatest common factor 39,90,87,65 is 1.

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

• GCF of 93, 29, 46, 99
• GCF of 17, 33, 31, 29
• GCF of 83, 99, 51, 70
• GCF of 77, 57, 90, 53
• GCF of 49, 78, 73, 30

1. What is the GCF of 39, 90, 87, 65?

Answer: GCF of 39, 90, 87, 65 is 1.

2. How to Find the GCF of 39, 90, 87, 65

Answer: Greatest Common Factor(GCF) of 39, 90, 87, 65 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 90, 87, 65) = 1.