Greatest Common Factor of 21, 63, 465

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

• Greatest Common Factor of 21, 63, 465 by common division method
• Greatest Common Factor of 21, 63, 465 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 465

List of positive integer factors of 465 that divides 465 without a remainder.

1,3,5,15,31,93,155,465

Greatest Common Factor

We found the factors 21,63,465 . The biggest common factor number is the GCF number.
So the greatest common factor 21,63,465 is 3.

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

• GCF of 64, 91, 449
• GCF of 44, 91, 422
• GCF of 12, 76, 725
• GCF of 54, 51, 409
• GCF of 86, 97, 130

1. What is the GCF of 21, 63, 465?

Answer: GCF of 21, 63, 465 is 3.

2. How to Find the GCF of 21, 63, 465

Answer: Greatest Common Factor(GCF) of 21, 63, 465 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 63, 465) = 3.