Greatest Common Factor of 390, 218, 51

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

• Greatest Common Factor of 390, 218, 51 by common division method
• Greatest Common Factor of 390, 218, 51 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 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

Factors of 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 390,218,51 . The biggest common factor number is the GCF number.
So the greatest common factor 390,218,51 is 1.

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

• GCF of 578, 831, 59
• GCF of 875, 766, 60
• GCF of 525, 669, 84
• GCF of 766, 951, 14
• GCF of 243, 357, 35

1. What is the GCF of 390, 218, 51?

Answer: GCF of 390, 218, 51 is 1.

2. How to Find the GCF of 390, 218, 51

Answer: Greatest Common Factor(GCF) of 390, 218, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(390, 218, 51) = 1.