Greatest Common Factor of 225, 390, 421

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

• Greatest Common Factor of 225, 390, 421 by common division method
• Greatest Common Factor of 225, 390, 421 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 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

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 421

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

1,421

Greatest Common Factor

We found the factors 225,390,421 . The biggest common factor number is the GCF number.
So the greatest common factor 225,390,421 is 1.

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

• GCF of 837, 323, 921
• GCF of 374, 740, 875
• GCF of 251, 489, 196
• GCF of 310, 480, 747
• GCF of 605, 311, 905

1. What is the GCF of 225, 390, 421?

Answer: GCF of 225, 390, 421 is 1.

2. How to Find the GCF of 225, 390, 421

Answer: Greatest Common Factor(GCF) of 225, 390, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(225, 390, 421) = 1.