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, 442 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 440 and 442 is 2.
GCF(440,442) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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 442
2 | 442 |
13 | 221 |
17 | 17 |
1 |
Prime factors of 442 are 2,13,17. Prime factorization of 442 in exponential form is:
442 = 21×131×171
∴ So by taking common prime factors GCF of 440 and 442 is 2
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 442
List of positive integer factors of 442 that divides 442 without a remainder.
1,2,13,17,26,34,221,442
Greatest Common Factor
We found the factors and prime factorization of 440 and 442. The biggest common factor number is the GCF number.
So the greatest common factor 440 and 442 is 2.
Also check out the Least Common Multiple of 440 and 442
(i) The GCF of 440 and 442 is associative
GCF of 440 and 442 = GCF of 442 and 440
1. What is the GCF of 440 and 442?
Answer: GCF of 440 and 442 is 2.
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 442?
Answer: Factors of 442 are 1, 2, 13, 17, 26, 34, 221, 442. There are 8 integers that are factors of 442. The greatest factor of 442 is 442.
4. How to Find the GCF of 440 and 442?
Answer:
Greatest Common Factor of 440 and 442 = 2
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 442
442 = 2 x 13 x 17
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 440 and 442 is 2