Greatest Common Factor of 65, 34, 13, 690

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

• Greatest Common Factor of 65, 34, 13, 690 by common division method
• Greatest Common Factor of 65, 34, 13, 690 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 34

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

1,2,17,34

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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

Greatest Common Factor

We found the factors 65,34,13,690 . The biggest common factor number is the GCF number.
So the greatest common factor 65,34,13,690 is 1.

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

• GCF of 45, 40, 54, 248
• GCF of 32, 67, 67, 867
• GCF of 78, 24, 52, 544
• GCF of 42, 64, 72, 865
• GCF of 27, 93, 15, 594

1. What is the GCF of 65, 34, 13, 690?

Answer: GCF of 65, 34, 13, 690 is 1.

2. How to Find the GCF of 65, 34, 13, 690

Answer: Greatest Common Factor(GCF) of 65, 34, 13, 690 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 34, 13, 690) = 1.