Greatest Common Factor of 421, 390, 401, 580

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

• Greatest Common Factor of 421, 390, 401, 580 by common division method
• Greatest Common Factor of 421, 390, 401, 580 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 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

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 401

List of positive integer factors of 401 that divides 401 without a remainder.

1,401

Factors of 580

List of positive integer factors of 580 that divides 580 without a remainder.

1,2,4,5,10,20,29,58,116,145,290,580

Greatest Common Factor

We found the factors 421,390,401,580 . The biggest common factor number is the GCF number.
So the greatest common factor 421,390,401,580 is 1.

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

• GCF of 779, 720, 216, 297
• GCF of 151, 298, 485, 960
• GCF of 349, 560, 288, 920
• GCF of 973, 527, 410, 658
• GCF of 990, 752, 518, 142

1. What is the GCF of 421, 390, 401, 580?

Answer: GCF of 421, 390, 401, 580 is 1.

2. How to Find the GCF of 421, 390, 401, 580

Answer: Greatest Common Factor(GCF) of 421, 390, 401, 580 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 390, 401, 580) = 1.