Greatest Common Factor of 508, 390, 42, 642

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

• Greatest Common Factor of 508, 390, 42, 642 by common division method
• Greatest Common Factor of 508, 390, 42, 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 = 2

Factors of 508

List of positive integer factors of 508 that divides 508 without a remainder.

1,2,4,127,254,508

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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 508,390,42,642 . The biggest common factor number is the GCF number.
So the greatest common factor 508,390,42,642 is 2.

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

• GCF of 382, 830, 11, 217
• GCF of 825, 482, 68, 450
• GCF of 468, 202, 19, 835
• GCF of 308, 842, 56, 342
• GCF of 728, 675, 65, 693

1. What is the GCF of 508, 390, 42, 642?

Answer: GCF of 508, 390, 42, 642 is 2.

2. How to Find the GCF of 508, 390, 42, 642

Answer: Greatest Common Factor(GCF) of 508, 390, 42, 642 = 2

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

Step 2: Then multiply all the prime factors GCF(508, 390, 42, 642) = 2.