Greatest Common Factor of 1205, 1989

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

• Greatest Common Factor of 1205, 1989 by common division method
• Greatest Common Factor of 1205, 1989 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 1205

List of positive integer factors of 1205 that divides 1205 without a remainder.

1,5,241,1205

Factors of 1989

List of positive integer factors of 1989 that divides 1989 without a remainder.

1,3,9,13,17,39,51,117,153,221,663,1989

Greatest Common Factor

We found the factors 1205,1989 . The biggest common factor number is the GCF number.
So the greatest common factor 1205,1989 is 1.

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

• GCF of 5074, 1211
• GCF of 7332, 9449
• GCF of 2780, 5879
• GCF of 4193, 8916
• GCF of 2620, 2588

1. What is the GCF of 1205, 1989?

Answer: GCF of 1205, 1989 is 1.

2. How to Find the GCF of 1205, 1989

Answer: Greatest Common Factor(GCF) of 1205, 1989 = 1

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

Step 2: Then multiply all the prime factors GCF(1205, 1989) = 1.