Greatest Common Factor of 390, 102, 642

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

• Greatest Common Factor of 390, 102, 642 by common division method
• Greatest Common Factor of 390, 102, 642 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 3 = 6

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 102

List of positive integer factors of 102 that divides 102 without a remainder.

1,2,3,6,17,34,51,102

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 390,102,642 . The biggest common factor number is the GCF number.
So the greatest common factor 390,102,642 is 6.

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

• GCF of 213, 360, 755
• GCF of 273, 662, 444
• GCF of 431, 676, 184
• GCF of 620, 979, 130
• GCF of 366, 298, 758

1. What is the GCF of 390, 102, 642?

Answer: GCF of 390, 102, 642 is 6.

2. How to Find the GCF of 390, 102, 642

Answer: Greatest Common Factor(GCF) of 390, 102, 642 = 6

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

Step 2: Then multiply all the prime factors GCF(390, 102, 642) = 6.