Greatest Common Factor of 89, 90, 85, 34, 689

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

• Greatest Common Factor of 89, 90, 85, 34, 689 by common division method
• Greatest Common Factor of 89, 90, 85, 34, 689 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 689

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

1,13,53,689

Greatest Common Factor

We found the factors 89,90,85,34,689 . The biggest common factor number is the GCF number.
So the greatest common factor 89,90,85,34,689 is 1.

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

• GCF of 83, 25, 31, 91, 431
• GCF of 39, 73, 21, 56, 795
• GCF of 16, 83, 89, 96, 342
• GCF of 93, 14, 94, 26, 977
• GCF of 56, 93, 51, 81, 937

1. What is the GCF of 89, 90, 85, 34, 689?

Answer: GCF of 89, 90, 85, 34, 689 is 1.

2. How to Find the GCF of 89, 90, 85, 34, 689

Answer: Greatest Common Factor(GCF) of 89, 90, 85, 34, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 90, 85, 34, 689) = 1.