Greatest Common Factor of 39, 90, 25, 80

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

• Greatest Common Factor of 39, 90, 25, 80 by common division method
• Greatest Common Factor of 39, 90, 25, 80 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 39,90,25,80 . The biggest common factor number is the GCF number.
So the greatest common factor 39,90,25,80 is 1.

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

• GCF of 18, 76, 77, 92
• GCF of 25, 58, 44, 39
• GCF of 78, 96, 50, 28
• GCF of 44, 19, 74, 98
• GCF of 77, 91, 63, 37

1. What is the GCF of 39, 90, 25, 80?

Answer: GCF of 39, 90, 25, 80 is 1.

2. How to Find the GCF of 39, 90, 25, 80

Answer: Greatest Common Factor(GCF) of 39, 90, 25, 80 = 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, 25, 80) = 1.