Greatest Common Factor of 393, 144, 421

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

• Greatest Common Factor of 393, 144, 421 by common division method
• Greatest Common Factor of 393, 144, 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 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

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 393,144,421 . The biggest common factor number is the GCF number.
So the greatest common factor 393,144,421 is 1.

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

• GCF of 143, 858, 309
• GCF of 833, 279, 764
• GCF of 105, 272, 513
• GCF of 259, 818, 158
• GCF of 988, 665, 999

1. What is the GCF of 393, 144, 421?

Answer: GCF of 393, 144, 421 is 1.

2. How to Find the GCF of 393, 144, 421

Answer: Greatest Common Factor(GCF) of 393, 144, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(393, 144, 421) = 1.