Greatest Common Factor of 25, 60, 61, 399

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

• Greatest Common Factor of 25, 60, 61, 399 by common division method
• Greatest Common Factor of 25, 60, 61, 399 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 25,60,61,399 . The biggest common factor number is the GCF number.
So the greatest common factor 25,60,61,399 is 1.

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

• GCF of 87, 87, 39, 895
• GCF of 17, 53, 98, 634
• GCF of 33, 84, 93, 180
• GCF of 78, 86, 71, 347
• GCF of 41, 60, 41, 825

1. What is the GCF of 25, 60, 61, 399?

Answer: GCF of 25, 60, 61, 399 is 1.

2. How to Find the GCF of 25, 60, 61, 399

Answer: Greatest Common Factor(GCF) of 25, 60, 61, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 60, 61, 399) = 1.