Greatest Common Factor of 90, 21, 807

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

• Greatest Common Factor of 90, 21, 807 by common division method
• Greatest Common Factor of 90, 21, 807 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 21

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

1,3,7,21

Factors of 807

List of positive integer factors of 807 that divides 807 without a remainder.

1,3,269,807

Greatest Common Factor

We found the factors 90,21,807 . The biggest common factor number is the GCF number.
So the greatest common factor 90,21,807 is 3.

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

• GCF of 91, 42, 293
• GCF of 61, 42, 355
• GCF of 25, 31, 410
• GCF of 72, 76, 374
• GCF of 39, 83, 215

1. What is the GCF of 90, 21, 807?

Answer: GCF of 90, 21, 807 is 3.

2. How to Find the GCF of 90, 21, 807

Answer: Greatest Common Factor(GCF) of 90, 21, 807 = 3

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

Step 2: Then multiply all the prime factors GCF(90, 21, 807) = 3.