Greatest Common Factor of 25, 13, 30, 980

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

• Greatest Common Factor of 25, 13, 30, 980 by common division method
• Greatest Common Factor of 25, 13, 30, 980 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 13

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

1,13

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Greatest Common Factor

We found the factors 25,13,30,980 . The biggest common factor number is the GCF number.
So the greatest common factor 25,13,30,980 is 1.

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

• GCF of 19, 95, 20, 885
• GCF of 54, 20, 64, 376
• GCF of 47, 43, 20, 440
• GCF of 74, 62, 49, 830
• GCF of 23, 52, 65, 397

1. What is the GCF of 25, 13, 30, 980?

Answer: GCF of 25, 13, 30, 980 is 1.

2. How to Find the GCF of 25, 13, 30, 980

Answer: Greatest Common Factor(GCF) of 25, 13, 30, 980 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 13, 30, 980) = 1.