Greatest Common Factor of 25, 420, 870

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

• Greatest Common Factor of 25, 420, 870 by common division method
• Greatest Common Factor of 25, 420, 870 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 25

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

1,5,25

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 25,420,870 . The biggest common factor number is the GCF number.
So the greatest common factor 25,420,870 is 5.

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

• GCF of 53, 744, 125
• GCF of 49, 188, 629
• GCF of 26, 554, 728
• GCF of 91, 602, 483
• GCF of 51, 120, 198

1. What is the GCF of 25, 420, 870?

Answer: GCF of 25, 420, 870 is 5.

2. How to Find the GCF of 25, 420, 870

Answer: Greatest Common Factor(GCF) of 25, 420, 870 = 5

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

Step 2: Then multiply all the prime factors GCF(25, 420, 870) = 5.