Greatest Common Factor of 390, 805, 423

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

• Greatest Common Factor of 390, 805, 423 by common division method
• Greatest Common Factor of 390, 805, 423 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 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 390,805,423 . The biggest common factor number is the GCF number.
So the greatest common factor 390,805,423 is 1.

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

• GCF of 282, 247, 203
• GCF of 196, 679, 825
• GCF of 348, 262, 262
• GCF of 626, 620, 563
• GCF of 363, 352, 357

1. What is the GCF of 390, 805, 423?

Answer: GCF of 390, 805, 423 is 1.

2. How to Find the GCF of 390, 805, 423

Answer: Greatest Common Factor(GCF) of 390, 805, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(390, 805, 423) = 1.