Greatest Common Factor of 17, 345, 390

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

• Greatest Common Factor of 17, 345, 390 by common division method
• Greatest Common Factor of 17, 345, 390 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 17,345,390 . The biggest common factor number is the GCF number.
So the greatest common factor 17,345,390 is 1.

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

• GCF of 10, 555, 429
• GCF of 24, 901, 263
• GCF of 82, 343, 166
• GCF of 18, 281, 682
• GCF of 52, 497, 546

1. What is the GCF of 17, 345, 390?

Answer: GCF of 17, 345, 390 is 1.

2. How to Find the GCF of 17, 345, 390

Answer: Greatest Common Factor(GCF) of 17, 345, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 345, 390) = 1.