# Greatest Common Factor of 441 and 445

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 441, 445 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 441 and 445 is 1.

GCF(441,445) = 1

## GCF of 441 and 445

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

GCF of:
and

### Greatest Common Factor of 441 and 445 by Prime factorization method

Prime Factorization of 441

 3 441 3 147 7 49 7 7 1

Prime factors of 441 are 3,7. Prime factorization of 441 in exponential form is:

441 = 32×72

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 441 and 445 is 1

### Greatest Common Factor of 441 and 445 by matching factors method

Factors of 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

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 441 and 445. The biggest common factor number is the GCF number.
So the greatest common factor 441 and 445 is 1.

Also check out the Least Common Multiple of 441 and 445

### Properties of GCF 441 and 445

(i) The GCF of 441 and 445 is associative

GCF of 441 and 445 = GCF of 445 and 441

### Frequently Asked Questions on GCF of 441 and 445

1. What is the GCF of 441 and 445?

Answer: GCF of 441 and 445 is 1.

2. What are the Factors of 441?

Answer: Factors of 441 are 1, 3, 7, 9, 21, 49, 63, 147, 441. There are 9 integers that are factors of 441. The greatest factor of 441 is 441.

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 441 and 445?

Answer:

Greatest Common Factor of 441 and 445 = 1

Step 1: Find the prime factorization of 441

441 = 3 x 3 x 7 x 7

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 = = 1

Step 4: Therefore, the greatest common factor of 441 and 445 is 1