Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2255 and 2261 the smallest integer that is 5098555 that is divisible by both numbers.
Least Common Multiple (LCM) of 2255 and 2261 is 5098555.
LCM(2255,2261) = 5098555
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 2255 and 2261. First we will calculate the prime factors of 2255 and 2261.
Prime Factorization of 2255
5 | 2255 |
11 | 451 |
41 | 41 |
1 |
Prime factors of 2255 are 5, 11,41. Prime factorization of 2255 in exponential form is:
2255 = 51×111×411
Prime Factorization of 2261
7 | 2261 |
17 | 323 |
19 | 19 |
1 |
Prime factors of 2261 are 7, 17,19. Prime factorization of 2261 in exponential form is:
2261 = 71×171×191
Now multiplying the highest exponent prime factors to calculate the LCM of 2255 and 2261.
LCM(2255,2261) = 51×71×111×171×191×411
LCM(2255,2261) = 5098555
Factors of 2255
List of positive integer factors of 2255 that divides 2255 without a remainder.
1, 5, 11, 41, 55, 205, 451, 2255
Factors of 2261
List of positive integer factors of 2261 that divides 2261 without a remainder.
1, 7, 17, 19, 119, 133, 323, 2261
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2255 and 2261, than apply into the LCM equation.
GCF(2255,2261) = 1
LCM(2255,2261) = ( 2255 × 2261) / 1
LCM(2255,2261) = 5098555 / 1
LCM(2255,2261) = 5098555
(i) The LCM of 2261 and 2255 is associative
LCM of 2255 and 2261 = LCM of 2261 and 2255
1. What is the LCM of 2255 and 2261?
Answer: LCM of 2255 and 2261 is 5098555.
2. What are the Factors of 2255?
Answer: Factors of 2255 are 1, 5, 11, 41, 55, 205, 451, 2255. There are 8 integers that are factors of 2255. The greatest factor of 2255 is 2255.
3. What are the Factors of 2261?
Answer: Factors of 2261 are 1, 7, 17, 19, 119, 133, 323, 2261. There are 8 integers that are factors of 2261. The greatest factor of 2261 is 2261.
4. How to Find the LCM of 2255 and 2261?
Answer:
Least Common Multiple of 2255 and 2261 = 5098555
Step 1: Find the prime factorization of 2255
2255 = 5 x 11 x 41
Step 2: Find the prime factorization of 2261
2261 = 7 x 17 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5098555 = 5 x 7 x 11 x 17 x 19 x 41
Step 4: Therefore, the least common multiple of 2255 and 2261 is 5098555.