Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1144 and 1149 the smallest integer that is 1314456 that is divisible by both numbers.
Least Common Multiple (LCM) of 1144 and 1149 is 1314456.
LCM(1144,1149) = 1314456
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 1144 and 1149. First we will calculate the prime factors of 1144 and 1149.
Prime Factorization of 1144
2 | 1144 |
2 | 572 |
2 | 286 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 1144 are 2, 11,13. Prime factorization of 1144 in exponential form is:
1144 = 23×111×131
Prime Factorization of 1149
3 | 1149 |
383 | 383 |
1 |
Prime factors of 1149 are 3,383. Prime factorization of 1149 in exponential form is:
1149 = 31×3831
Now multiplying the highest exponent prime factors to calculate the LCM of 1144 and 1149.
LCM(1144,1149) = 23×31×111×131×3831
LCM(1144,1149) = 1314456
Factors of 1144
List of positive integer factors of 1144 that divides 1144 without a remainder.
1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144
Factors of 1149
List of positive integer factors of 1149 that divides 1149 without a remainder.
1, 3, 383, 1149
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1144 and 1149, than apply into the LCM equation.
GCF(1144,1149) = 1
LCM(1144,1149) = ( 1144 × 1149) / 1
LCM(1144,1149) = 1314456 / 1
LCM(1144,1149) = 1314456
(i) The LCM of 1149 and 1144 is associative
LCM of 1144 and 1149 = LCM of 1149 and 1144
1. What is the LCM of 1144 and 1149?
Answer: LCM of 1144 and 1149 is 1314456.
2. What are the Factors of 1144?
Answer: Factors of 1144 are 1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144. There are 16 integers that are factors of 1144. The greatest factor of 1144 is 1144.
3. What are the Factors of 1149?
Answer: Factors of 1149 are 1, 3, 383, 1149. There are 4 integers that are factors of 1149. The greatest factor of 1149 is 1149.
4. How to Find the LCM of 1144 and 1149?
Answer:
Least Common Multiple of 1144 and 1149 = 1314456
Step 1: Find the prime factorization of 1144
1144 = 2 x 2 x 2 x 11 x 13
Step 2: Find the prime factorization of 1149
1149 = 3 x 383
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1314456 = 2 x 2 x 2 x 3 x 11 x 13 x 383
Step 4: Therefore, the least common multiple of 1144 and 1149 is 1314456.