Greatest Common Factor of 390, 815, 628

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

• Greatest Common Factor of 390, 815, 628 by common division method
• Greatest Common Factor of 390, 815, 628 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Factors of 628

List of positive integer factors of 628 that divides 628 without a remainder.

1,2,4,157,314,628

Greatest Common Factor

We found the factors 390,815,628 . The biggest common factor number is the GCF number.
So the greatest common factor 390,815,628 is 1.

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

• GCF of 642, 180, 862
• GCF of 653, 768, 890
• GCF of 887, 160, 462
• GCF of 389, 746, 363
• GCF of 862, 695, 625

1. What is the GCF of 390, 815, 628?

Answer: GCF of 390, 815, 628 is 1.

2. How to Find the GCF of 390, 815, 628

Answer: Greatest Common Factor(GCF) of 390, 815, 628 = 1

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

Step 2: Then multiply all the prime factors GCF(390, 815, 628) = 1.