Greatest Common Factor of 21, 87, 495

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

• Greatest Common Factor of 21, 87, 495 by common division method
• Greatest Common Factor of 21, 87, 495 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Greatest Common Factor

We found the factors 21,87,495 . The biggest common factor number is the GCF number.
So the greatest common factor 21,87,495 is 3.

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

• GCF of 68, 93, 410
• GCF of 25, 41, 361
• GCF of 15, 58, 952
• GCF of 99, 11, 827
• GCF of 18, 84, 889

1. What is the GCF of 21, 87, 495?

Answer: GCF of 21, 87, 495 is 3.

2. How to Find the GCF of 21, 87, 495

Answer: Greatest Common Factor(GCF) of 21, 87, 495 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 87, 495) = 3.