Greatest Common Factor of 18, 86, 65, 390

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

• Greatest Common Factor of 18, 86, 65, 390 by common division method
• Greatest Common Factor of 18, 86, 65, 390 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 65

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

1,5,13,65

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 18,86,65,390 . The biggest common factor number is the GCF number.
So the greatest common factor 18,86,65,390 is 1.

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

• GCF of 85, 91, 86, 216
• GCF of 74, 73, 24, 776
• GCF of 72, 73, 78, 997
• GCF of 64, 15, 98, 991
• GCF of 75, 10, 64, 699

1. What is the GCF of 18, 86, 65, 390?

Answer: GCF of 18, 86, 65, 390 is 1.

2. How to Find the GCF of 18, 86, 65, 390

Answer: Greatest Common Factor(GCF) of 18, 86, 65, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 86, 65, 390) = 1.