Greatest Common Factor of 21, 880, 990

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

• Greatest Common Factor of 21, 880, 990 by common division method
• Greatest Common Factor of 21, 880, 990 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

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

1,3,7,21

Factors of 880

List of positive integer factors of 880 that divides 880 without a remainder.

1,2,4,5,8,10,11,16,20,22,40,44,55,80,88,110,176,220,440,880

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Greatest Common Factor

We found the factors 21,880,990 . The biggest common factor number is the GCF number.
So the greatest common factor 21,880,990 is 1.

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

• GCF of 95, 872, 468
• GCF of 20, 624, 919
• GCF of 39, 852, 366
• GCF of 77, 457, 263
• GCF of 92, 859, 358

1. What is the GCF of 21, 880, 990?

Answer: GCF of 21, 880, 990 is 1.

2. How to Find the GCF of 21, 880, 990

Answer: Greatest Common Factor(GCF) of 21, 880, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 880, 990) = 1.