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 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
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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
(i) The GCF of 441 and 445 is associative
GCF of 441 and 445 = GCF of 445 and 441
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