Greatest Common Factor of 69, 90, 13, 25

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

• Greatest Common Factor of 69, 90, 13, 25 by common division method
• Greatest Common Factor of 69, 90, 13, 25 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 25

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

1,5,25

Greatest Common Factor

We found the factors 69,90,13,25 . The biggest common factor number is the GCF number.
So the greatest common factor 69,90,13,25 is 1.

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

• GCF of 59, 78, 99, 56
• GCF of 34, 34, 81, 36
• GCF of 74, 21, 20, 42
• GCF of 63, 19, 45, 59
• GCF of 92, 26, 62, 33

1. What is the GCF of 69, 90, 13, 25?

Answer: GCF of 69, 90, 13, 25 is 1.

2. How to Find the GCF of 69, 90, 13, 25

Answer: Greatest Common Factor(GCF) of 69, 90, 13, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 90, 13, 25) = 1.