Greatest Common Factor of 448 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 448, 455 i.e. 7 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 448 and 455 is 7.

GCF(448,455) = 7

GCF of 448 and 455

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

GCF of:
and

Greatest Common Factor of 448 and 455

GCF of 448 and 455 is 7

Prime Factorization of 448


2 448
2 224
2 112
2 56
2 28
2 14
7 7
1

Prime factors of 448 are 2,7. Prime factorization of 448 in exponential form is:

448 = 26×71

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 448 and 455 is 7

Greatest Common Factor of 448 and 455 by matching factors method

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

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 448 and 455. The biggest common factor number is the GCF number.
So the greatest common factor 448 and 455 is 7.

Also check out the Least Common Multiple of 448 and 455

Properties of GCF 448 and 455

(i) The GCF of 448 and 455 is associative

GCF of 448 and 455 = GCF of 455 and 448

Related Greatest Common Factor of 448

Related Greatest Common Factor of 455

Frequently Asked Questions on GCF of 448 and 455

1. What is the GCF of 448 and 455?

Answer: GCF of 448 and 455 is 7.

2. What are the Factors of 448?

Answer: Factors of 448 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448. There are 14 integers that are factors of 448. The greatest factor of 448 is 448.

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 448 and 455?

Answer:

Greatest Common Factor of 448 and 455 = 7

Step 1: Find the prime factorization of 448

448 = 2 x 2 x 2 x 2 x 2 x 2 x 7

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 = 7

Step 4: Therefore, the greatest common factor of 448 and 455 is 7