Greatest Common Factor of 25, 39, 290, 138

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

• Greatest Common Factor of 25, 39, 290, 138 by common division method
• Greatest Common Factor of 25, 39, 290, 138 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 25

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

1,5,25

Factors of 39

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

1,3,13,39

Factors of 290

List of positive integer factors of 290 that divides 290 without a remainder.

1,2,5,10,29,58,145,290

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 25,39,290,138 . The biggest common factor number is the GCF number.
So the greatest common factor 25,39,290,138 is 1.

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

• GCF of 26, 74, 702, 766
• GCF of 81, 36, 418, 791
• GCF of 51, 74, 218, 562
• GCF of 82, 11, 175, 498
• GCF of 73, 86, 487, 143

1. What is the GCF of 25, 39, 290, 138?

Answer: GCF of 25, 39, 290, 138 is 1.

2. How to Find the GCF of 25, 39, 290, 138

Answer: Greatest Common Factor(GCF) of 25, 39, 290, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 39, 290, 138) = 1.