Greatest Common Factor of 21, 33, 21, 207

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

• Greatest Common Factor of 21, 33, 21, 207 by common division method
• Greatest Common Factor of 21, 33, 21, 207 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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 21

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

1,3,7,21

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 21,33,21,207 . The biggest common factor number is the GCF number.
So the greatest common factor 21,33,21,207 is 3.

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

• GCF of 41, 71, 61, 330
• GCF of 13, 94, 44, 745
• GCF of 22, 25, 57, 909
• GCF of 83, 29, 71, 193
• GCF of 25, 49, 39, 950

1. What is the GCF of 21, 33, 21, 207?

Answer: GCF of 21, 33, 21, 207 is 3.

2. How to Find the GCF of 21, 33, 21, 207

Answer: Greatest Common Factor(GCF) of 21, 33, 21, 207 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 33, 21, 207) = 3.