Greatest Common Factor of 25, 82, 42, 280

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

• Greatest Common Factor of 25, 82, 42, 280 by common division method
• Greatest Common Factor of 25, 82, 42, 280 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 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Greatest Common Factor

We found the factors 25,82,42,280 . The biggest common factor number is the GCF number.
So the greatest common factor 25,82,42,280 is 1.

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

• GCF of 93, 17, 99, 886
• GCF of 16, 98, 82, 374
• GCF of 24, 46, 64, 573
• GCF of 89, 24, 71, 647
• GCF of 64, 25, 95, 244

1. What is the GCF of 25, 82, 42, 280?

Answer: GCF of 25, 82, 42, 280 is 1.

2. How to Find the GCF of 25, 82, 42, 280

Answer: Greatest Common Factor(GCF) of 25, 82, 42, 280 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 82, 42, 280) = 1.