Greatest Common Factor of 689, 990, 997

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

• Greatest Common Factor of 689, 990, 997 by common division method
• Greatest Common Factor of 689, 990, 997 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 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

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

Factors of 997

List of positive integer factors of 997 that divides 997 without a remainder.

1,997

Greatest Common Factor

We found the factors 689,990,997 . The biggest common factor number is the GCF number.
So the greatest common factor 689,990,997 is 1.

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

• GCF of 831, 683, 272
• GCF of 867, 660, 792
• GCF of 333, 792, 588
• GCF of 900, 927, 485
• GCF of 609, 354, 367

1. What is the GCF of 689, 990, 997?

Answer: GCF of 689, 990, 997 is 1.

2. How to Find the GCF of 689, 990, 997

Answer: Greatest Common Factor(GCF) of 689, 990, 997 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 990, 997) = 1.