Greatest Common Factor of 447 and 455

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 447, 455 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 447 and 455 is 1.

GCF(447,455) = 1

GCF of 447 and 455

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 447 and 455

GCF of 447 and 455 is 1

Prime Factorization of 447


3 447
149 149
1

Prime factors of 447 are 3,149. Prime factorization of 447 in exponential form is:

447 = 31×1491

Prime Factorization of 455


5 455
7 91
13 13
1

Prime factors of 455 are 5,7,13. Prime factorization of 455 in exponential form is:

455 = 51×71×131

∴ So by taking common prime factors GCF of 447 and 455 is 1

Greatest Common Factor of 447 and 455 by matching factors method

Factors of 447

List of positive integer factors of 447 that divides 447 without a remainder.

1,3,149,447

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Greatest Common Factor

We found the factors and prime factorization of 447 and 455. The biggest common factor number is the GCF number.
So the greatest common factor 447 and 455 is 1.

Also check out the Least Common Multiple of 447 and 455

Properties of GCF 447 and 455

(i) The GCF of 447 and 455 is associative

GCF of 447 and 455 = GCF of 455 and 447

Related Greatest Common Factor of 447

Related Greatest Common Factor of 455

Frequently Asked Questions on GCF of 447 and 455

1. What is the GCF of 447 and 455?

Answer: GCF of 447 and 455 is 1.

2. What are the Factors of 447?

Answer: Factors of 447 are 1, 3, 149, 447. There are 4 integers that are factors of 447. The greatest factor of 447 is 447.

3. What are the Factors of 455?

Answer: Factors of 455 are 1, 5, 7, 13, 35, 65, 91, 455. There are 8 integers that are factors of 455. The greatest factor of 455 is 455.

4. How to Find the GCF of 447 and 455?

Answer:

Greatest Common Factor of 447 and 455 = 1

Step 1: Find the prime factorization of 447

447 = 3 x 149

Step 2: Find the prime factorization of 455

455 = 5 x 7 x 13

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 447 and 455 is 1