Greatest Common Factor of 427, 820, 390

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

• Greatest Common Factor of 427, 820, 390 by common division method
• Greatest Common Factor of 427, 820, 390 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 427

List of positive integer factors of 427 that divides 427 without a remainder.

1,7,61,427

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

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

Greatest Common Factor

We found the factors 427,820,390 . The biggest common factor number is the GCF number.
So the greatest common factor 427,820,390 is 1.

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

• GCF of 947, 413, 303
• GCF of 583, 482, 146
• GCF of 671, 253, 314
• GCF of 869, 207, 477
• GCF of 456, 606, 746

1. What is the GCF of 427, 820, 390?

Answer: GCF of 427, 820, 390 is 1.

2. How to Find the GCF of 427, 820, 390

Answer: Greatest Common Factor(GCF) of 427, 820, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(427, 820, 390) = 1.