Greatest Common Factor of 65, 15, 687, 489

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

• Greatest Common Factor of 65, 15, 687, 489 by common division method
• Greatest Common Factor of 65, 15, 687, 489 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Factors of 489

List of positive integer factors of 489 that divides 489 without a remainder.

1,3,163,489

Greatest Common Factor

We found the factors 65,15,687,489 . The biggest common factor number is the GCF number.
So the greatest common factor 65,15,687,489 is 1.

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

• GCF of 69, 74, 367, 997
• GCF of 96, 90, 933, 428
• GCF of 51, 59, 757, 897
• GCF of 27, 74, 655, 734
• GCF of 83, 97, 546, 959

1. What is the GCF of 65, 15, 687, 489?

Answer: GCF of 65, 15, 687, 489 is 1.

2. How to Find the GCF of 65, 15, 687, 489

Answer: Greatest Common Factor(GCF) of 65, 15, 687, 489 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 15, 687, 489) = 1.