Greatest Common Factor of 455 and 462

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 455, 462 i.e. 7 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 455 and 462 is 7.

GCF(455,462) = 7

GCF of 455 and 462

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

GCF of:
and

Greatest Common Factor of 455 and 462

GCF of 455 and 462 is 7

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

Prime Factorization of 462


2 462
3 231
7 77
11 11
1

Prime factors of 462 are 2,3,7,11. Prime factorization of 462 in exponential form is:

462 = 21×31×71×111

∴ So by taking common prime factors GCF of 455 and 462 is 7

Greatest Common Factor of 455 and 462 by matching factors method

Factors of 455

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

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

Factors of 462

List of positive integer factors of 462 that divides 462 without a remainder.

1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462

Greatest Common Factor

We found the factors and prime factorization of 455 and 462. The biggest common factor number is the GCF number.
So the greatest common factor 455 and 462 is 7.

Also check out the Least Common Multiple of 455 and 462

Properties of GCF 455 and 462

(i) The GCF of 455 and 462 is associative

GCF of 455 and 462 = GCF of 462 and 455

Related Greatest Common Factor of 455

Related Greatest Common Factor of 462

Frequently Asked Questions on GCF of 455 and 462

1. What is the GCF of 455 and 462?

Answer: GCF of 455 and 462 is 7.

2. 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.

3. What are the Factors of 462?

Answer: Factors of 462 are 1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462. There are 16 integers that are factors of 462. The greatest factor of 462 is 462.

4. How to Find the GCF of 455 and 462?

Answer:

Greatest Common Factor of 455 and 462 = 7

Step 1: Find the prime factorization of 455

455 = 5 x 7 x 13

Step 2: Find the prime factorization of 462

462 = 2 x 3 x 7 x 11

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

GCF = 7

Step 4: Therefore, the greatest common factor of 455 and 462 is 7