Greatest Common Factor of 440 and 445

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 440, 445 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 440 and 445 is 5.

GCF(440,445) = 5

GCF of 440 and 445

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

GCF of:
and

Greatest Common Factor of 440 and 445

GCF of 440 and 445 is 5

Prime Factorization of 440


2 440
2 220
2 110
5 55
11 11
1

Prime factors of 440 are 2,5,11. Prime factorization of 440 in exponential form is:

440 = 23×51×111

Prime Factorization of 445


5 445
89 89
1

Prime factors of 445 are 5,89. Prime factorization of 445 in exponential form is:

445 = 51×891

∴ So by taking common prime factors GCF of 440 and 445 is 5

Greatest Common Factor of 440 and 445 by matching factors method

Factors of 440

List of positive integer factors of 440 that divides 440 without a remainder.

1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440

Factors of 445

List of positive integer factors of 445 that divides 445 without a remainder.

1,5,89,445

Greatest Common Factor

We found the factors and prime factorization of 440 and 445. The biggest common factor number is the GCF number.
So the greatest common factor 440 and 445 is 5.

Also check out the Least Common Multiple of 440 and 445

Properties of GCF 440 and 445

(i) The GCF of 440 and 445 is associative

GCF of 440 and 445 = GCF of 445 and 440

Related Greatest Common Factor of 440

Related Greatest Common Factor of 445

Frequently Asked Questions on GCF of 440 and 445

1. What is the GCF of 440 and 445?

Answer: GCF of 440 and 445 is 5.

2. What are the Factors of 440?

Answer: Factors of 440 are 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440. There are 16 integers that are factors of 440. The greatest factor of 440 is 440.

3. What are the Factors of 445?

Answer: Factors of 445 are 1, 5, 89, 445. There are 4 integers that are factors of 445. The greatest factor of 445 is 445.

4. How to Find the GCF of 440 and 445?

Answer:

Greatest Common Factor of 440 and 445 = 5

Step 1: Find the prime factorization of 440

440 = 2 x 2 x 2 x 5 x 11

Step 2: Find the prime factorization of 445

445 = 5 x 89

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

GCF = 5

Step 4: Therefore, the greatest common factor of 440 and 445 is 5