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 2440, 2442 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2440 and 2442 is 2.
GCF(2440,2442) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2440
2 | 2440 |
2 | 1220 |
2 | 610 |
5 | 305 |
61 | 61 |
1 |
Prime factors of 2440 are 2,5,61. Prime factorization of 2440 in exponential form is:
2440 = 23×51×611
Prime Factorization of 2442
2 | 2442 |
3 | 1221 |
11 | 407 |
37 | 37 |
1 |
Prime factors of 2442 are 2,3,11,37. Prime factorization of 2442 in exponential form is:
2442 = 21×31×111×371
∴ So by taking common prime factors GCF of 2440 and 2442 is 2
Factors of 2440
List of positive integer factors of 2440 that divides 2440 without a remainder.
1,2,4,5,8,10,20,40,61,122,244,305,488,610,1220,2440
Factors of 2442
List of positive integer factors of 2442 that divides 2442 without a remainder.
1,2,3,6,11,22,33,37,66,74,111,222,407,814,1221,2442
Greatest Common Factor
We found the factors and prime factorization of 2440 and 2442. The biggest common factor number is the GCF number.
So the greatest common factor 2440 and 2442 is 2.
Also check out the Least Common Multiple of 2440 and 2442
(i) The GCF of 2440 and 2442 is associative
GCF of 2440 and 2442 = GCF of 2442 and 2440
1. What is the GCF of 2440 and 2442?
Answer: GCF of 2440 and 2442 is 2.
2. What are the Factors of 2440?
Answer: Factors of 2440 are 1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440. There are 16 integers that are factors of 2440. The greatest factor of 2440 is 2440.
3. What are the Factors of 2442?
Answer: Factors of 2442 are 1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442. There are 16 integers that are factors of 2442. The greatest factor of 2442 is 2442.
4. How to Find the GCF of 2440 and 2442?
Answer:
Greatest Common Factor of 2440 and 2442 = 2
Step 1: Find the prime factorization of 2440
2440 = 2 x 2 x 2 x 5 x 61
Step 2: Find the prime factorization of 2442
2442 = 2 x 3 x 11 x 37
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 2440 and 2442 is 2