Greatest Common Factor of 390, 180, 665

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

• Greatest Common Factor of 390, 180, 665 by common division method
• Greatest Common Factor of 390, 180, 665 with matching the biggest common factor

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∴ 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 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Factors of 665

List of positive integer factors of 665 that divides 665 without a remainder.

1,5,7,19,35,95,133,665

Greatest Common Factor

We found the factors 390,180,665 . The biggest common factor number is the GCF number.
So the greatest common factor 390,180,665 is 5.

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

• GCF of 973, 437, 505
• GCF of 932, 156, 666
• GCF of 377, 373, 246
• GCF of 538, 695, 461
• GCF of 597, 460, 462

1. What is the GCF of 390, 180, 665?

Answer: GCF of 390, 180, 665 is 5.

2. How to Find the GCF of 390, 180, 665

Answer: Greatest Common Factor(GCF) of 390, 180, 665 = 5

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

Step 2: Then multiply all the prime factors GCF(390, 180, 665) = 5.