Greatest Common Factor of 121, 215, 990

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

• Greatest Common Factor of 121, 215, 990 by common division method
• Greatest Common Factor of 121, 215, 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 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Factors of 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

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 121,215,990 . The biggest common factor number is the GCF number.
So the greatest common factor 121,215,990 is 1.

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

• GCF of 918, 423, 417
• GCF of 248, 318, 479
• GCF of 831, 175, 926
• GCF of 968, 889, 419
• GCF of 896, 195, 497

1. What is the GCF of 121, 215, 990?

Answer: GCF of 121, 215, 990 is 1.

2. How to Find the GCF of 121, 215, 990

Answer: Greatest Common Factor(GCF) of 121, 215, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(121, 215, 990) = 1.