Greatest Common Factor of 390, 75, 657

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

• Greatest Common Factor of 390, 75, 657 by common division method
• Greatest Common Factor of 390, 75, 657 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 657

List of positive integer factors of 657 that divides 657 without a remainder.

1,3,9,73,219,657

Greatest Common Factor

We found the factors 390,75,657 . The biggest common factor number is the GCF number.
So the greatest common factor 390,75,657 is 3.

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

• GCF of 507, 54, 475
• GCF of 448, 94, 585
• GCF of 460, 90, 615
• GCF of 676, 66, 655
• GCF of 289, 73, 131

1. What is the GCF of 390, 75, 657?

Answer: GCF of 390, 75, 657 is 3.

2. How to Find the GCF of 390, 75, 657

Answer: Greatest Common Factor(GCF) of 390, 75, 657 = 3

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

Step 2: Then multiply all the prime factors GCF(390, 75, 657) = 3.