Greatest Common Factor of 573, 243, 21

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

• Greatest Common Factor of 573, 243, 21 by common division method
• Greatest Common Factor of 573, 243, 21 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 573

List of positive integer factors of 573 that divides 573 without a remainder.

1,3,191,573

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 573,243,21 . The biggest common factor number is the GCF number.
So the greatest common factor 573,243,21 is 3.

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

• GCF of 784, 170, 33
• GCF of 899, 817, 95
• GCF of 934, 792, 44
• GCF of 614, 511, 30
• GCF of 577, 793, 15

1. What is the GCF of 573, 243, 21?

Answer: GCF of 573, 243, 21 is 3.

2. How to Find the GCF of 573, 243, 21

Answer: Greatest Common Factor(GCF) of 573, 243, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(573, 243, 21) = 3.