Greatest Common Factor of 20, 210, 505

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

• Greatest Common Factor of 20, 210, 505 by common division method
• Greatest Common Factor of 20, 210, 505 with matching the biggest common factor

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∴ 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 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Greatest Common Factor

We found the factors 20,210,505 . The biggest common factor number is the GCF number.
So the greatest common factor 20,210,505 is 5.

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

• GCF of 82, 294, 981
• GCF of 96, 935, 805
• GCF of 26, 773, 933
• GCF of 51, 551, 996
• GCF of 72, 305, 149

1. What is the GCF of 20, 210, 505?

Answer: GCF of 20, 210, 505 is 5.

2. How to Find the GCF of 20, 210, 505

Answer: Greatest Common Factor(GCF) of 20, 210, 505 = 5

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

Step 2: Then multiply all the prime factors GCF(20, 210, 505) = 5.