Greatest Common Factor of 87, 21, 819, 486

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

• Greatest Common Factor of 87, 21, 819, 486 by common division method
• Greatest Common Factor of 87, 21, 819, 486 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 87

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

1,3,29,87

Factors of 21

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

1,3,7,21

Factors of 819

List of positive integer factors of 819 that divides 819 without a remainder.

1,3,7,9,13,21,39,63,91,117,273,819

Factors of 486

List of positive integer factors of 486 that divides 486 without a remainder.

1,2,3,6,9,18,27,54,81,162,243,486

Greatest Common Factor

We found the factors 87,21,819,486 . The biggest common factor number is the GCF number.
So the greatest common factor 87,21,819,486 is 3.

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

• GCF of 71, 42, 687, 293
• GCF of 46, 29, 479, 444
• GCF of 36, 93, 462, 167
• GCF of 44, 65, 396, 502
• GCF of 32, 63, 287, 189

1. What is the GCF of 87, 21, 819, 486?

Answer: GCF of 87, 21, 819, 486 is 3.

2. How to Find the GCF of 87, 21, 819, 486

Answer: Greatest Common Factor(GCF) of 87, 21, 819, 486 = 3

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

Step 2: Then multiply all the prime factors GCF(87, 21, 819, 486) = 3.