Greatest Common Factor of 690, 661, 789

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

• Greatest Common Factor of 690, 661, 789 by common division method
• Greatest Common Factor of 690, 661, 789 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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 661

List of positive integer factors of 661 that divides 661 without a remainder.

1,661

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Greatest Common Factor

We found the factors 690,661,789 . The biggest common factor number is the GCF number.
So the greatest common factor 690,661,789 is 1.

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

• GCF of 660, 985, 725
• GCF of 950, 869, 204
• GCF of 544, 833, 736
• GCF of 941, 823, 725
• GCF of 338, 212, 949

1. What is the GCF of 690, 661, 789?

Answer: GCF of 690, 661, 789 is 1.

2. How to Find the GCF of 690, 661, 789

Answer: Greatest Common Factor(GCF) of 690, 661, 789 = 1

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

Step 2: Then multiply all the prime factors GCF(690, 661, 789) = 1.