Greatest Common Factor of 20, 25, 455

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

• Greatest Common Factor of 20, 25, 455 by common division method
• Greatest Common Factor of 20, 25, 455 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 25

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

1,5,25

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Greatest Common Factor

We found the factors 20,25,455 . The biggest common factor number is the GCF number.
So the greatest common factor 20,25,455 is 5.

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

• GCF of 16, 82, 695
• GCF of 36, 39, 548
• GCF of 37, 11, 748
• GCF of 60, 11, 297
• GCF of 91, 66, 914

1. What is the GCF of 20, 25, 455?

Answer: GCF of 20, 25, 455 is 5.

2. How to Find the GCF of 20, 25, 455

Answer: Greatest Common Factor(GCF) of 20, 25, 455 = 5

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

Step 2: Then multiply all the prime factors GCF(20, 25, 455) = 5.