Greatest Common Factor of 390, 280, 65

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

• Greatest Common Factor of 390, 280, 65 by common division method
• Greatest Common Factor of 390, 280, 65 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

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 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Factors of 65

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

1,5,13,65

Greatest Common Factor

We found the factors 390,280,65 . The biggest common factor number is the GCF number.
So the greatest common factor 390,280,65 is 5.

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

• GCF of 821, 636, 33
• GCF of 945, 229, 85
• GCF of 301, 862, 65
• GCF of 620, 194, 55
• GCF of 320, 577, 88

1. What is the GCF of 390, 280, 65?

Answer: GCF of 390, 280, 65 is 5.

2. How to Find the GCF of 390, 280, 65

Answer: Greatest Common Factor(GCF) of 390, 280, 65 = 5

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

Step 2: Then multiply all the prime factors GCF(390, 280, 65) = 5.