Greatest Common Factor of 249, 689, 45

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

• Greatest Common Factor of 249, 689, 45 by common division method
• Greatest Common Factor of 249, 689, 45 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 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Factors of 689

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

1,13,53,689

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 249,689,45 . The biggest common factor number is the GCF number.
So the greatest common factor 249,689,45 is 1.

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

• GCF of 502, 935, 90
• GCF of 210, 595, 61
• GCF of 341, 188, 23
• GCF of 919, 561, 92
• GCF of 752, 185, 85

1. What is the GCF of 249, 689, 45?

Answer: GCF of 249, 689, 45 is 1.

2. How to Find the GCF of 249, 689, 45

Answer: Greatest Common Factor(GCF) of 249, 689, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(249, 689, 45) = 1.