Greatest Common Factor of 61, 12, 990

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

• Greatest Common Factor of 61, 12, 990 by common division method
• Greatest Common Factor of 61, 12, 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 61,12,990 . The biggest common factor number is the GCF number.
So the greatest common factor 61,12,990 is 1.

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

• GCF of 62, 29, 221
• GCF of 63, 32, 847
• GCF of 55, 55, 945
• GCF of 18, 17, 813
• GCF of 93, 61, 774

1. What is the GCF of 61, 12, 990?

Answer: GCF of 61, 12, 990 is 1.

2. How to Find the GCF of 61, 12, 990

Answer: Greatest Common Factor(GCF) of 61, 12, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 12, 990) = 1.