Greatest Common Factor of 989, 399, 109, 990

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

• Greatest Common Factor of 989, 399, 109, 990 by common division method
• Greatest Common Factor of 989, 399, 109, 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 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

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 989,399,109,990 . The biggest common factor number is the GCF number.
So the greatest common factor 989,399,109,990 is 1.

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

• GCF of 694, 722, 866, 713
• GCF of 159, 139, 771, 768
• GCF of 558, 638, 961, 464
• GCF of 647, 556, 254, 982
• GCF of 598, 579, 674, 164

1. What is the GCF of 989, 399, 109, 990?

Answer: GCF of 989, 399, 109, 990 is 1.

2. How to Find the GCF of 989, 399, 109, 990

Answer: Greatest Common Factor(GCF) of 989, 399, 109, 990 = 1

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

Step 2: Then multiply all the prime factors GCF(989, 399, 109, 990) = 1.