Greatest Common Factor of 25, 45, 24, 780

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

• Greatest Common Factor of 25, 45, 24, 780 by common division method
• Greatest Common Factor of 25, 45, 24, 780 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Greatest Common Factor

We found the factors 25,45,24,780 . The biggest common factor number is the GCF number.
So the greatest common factor 25,45,24,780 is 1.

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

• GCF of 94, 91, 70, 316
• GCF of 97, 83, 44, 426
• GCF of 65, 91, 20, 646
• GCF of 20, 35, 28, 851
• GCF of 31, 25, 60, 692

1. What is the GCF of 25, 45, 24, 780?

Answer: GCF of 25, 45, 24, 780 is 1.

2. How to Find the GCF of 25, 45, 24, 780

Answer: Greatest Common Factor(GCF) of 25, 45, 24, 780 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 45, 24, 780) = 1.