Greatest Common Factor of 21, 51, 213

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

• Greatest Common Factor of 21, 51, 213 by common division method
• Greatest Common Factor of 21, 51, 213 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 213

List of positive integer factors of 213 that divides 213 without a remainder.

1,3,71,213

Greatest Common Factor

We found the factors 21,51,213 . The biggest common factor number is the GCF number.
So the greatest common factor 21,51,213 is 3.

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

• GCF of 81, 83, 894
• GCF of 49, 91, 559
• GCF of 52, 90, 603
• GCF of 91, 31, 195
• GCF of 29, 79, 808

1. What is the GCF of 21, 51, 213?

Answer: GCF of 21, 51, 213 is 3.

2. How to Find the GCF of 21, 51, 213

Answer: Greatest Common Factor(GCF) of 21, 51, 213 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 51, 213) = 3.