Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1124 and 1131 the smallest integer that is 1271244 that is divisible by both numbers.
Least Common Multiple (LCM) of 1124 and 1131 is 1271244.
LCM(1124,1131) = 1271244
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 1124 and 1131. First we will calculate the prime factors of 1124 and 1131.
Prime Factorization of 1124
2 | 1124 |
2 | 562 |
281 | 281 |
1 |
Prime factors of 1124 are 2,281. Prime factorization of 1124 in exponential form is:
1124 = 22×2811
Prime Factorization of 1131
3 | 1131 |
13 | 377 |
29 | 29 |
1 |
Prime factors of 1131 are 3, 13,29. Prime factorization of 1131 in exponential form is:
1131 = 31×131×291
Now multiplying the highest exponent prime factors to calculate the LCM of 1124 and 1131.
LCM(1124,1131) = 22×31×131×291×2811
LCM(1124,1131) = 1271244
Factors of 1124
List of positive integer factors of 1124 that divides 1124 without a remainder.
1, 2, 4, 281, 562, 1124
Factors of 1131
List of positive integer factors of 1131 that divides 1131 without a remainder.
1, 3, 13, 29, 39, 87, 377, 1131
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1124 and 1131, than apply into the LCM equation.
GCF(1124,1131) = 1
LCM(1124,1131) = ( 1124 × 1131) / 1
LCM(1124,1131) = 1271244 / 1
LCM(1124,1131) = 1271244
(i) The LCM of 1131 and 1124 is associative
LCM of 1124 and 1131 = LCM of 1131 and 1124
1. What is the LCM of 1124 and 1131?
Answer: LCM of 1124 and 1131 is 1271244.
2. What are the Factors of 1124?
Answer: Factors of 1124 are 1, 2, 4, 281, 562, 1124. There are 6 integers that are factors of 1124. The greatest factor of 1124 is 1124.
3. What are the Factors of 1131?
Answer: Factors of 1131 are 1, 3, 13, 29, 39, 87, 377, 1131. There are 8 integers that are factors of 1131. The greatest factor of 1131 is 1131.
4. How to Find the LCM of 1124 and 1131?
Answer:
Least Common Multiple of 1124 and 1131 = 1271244
Step 1: Find the prime factorization of 1124
1124 = 2 x 2 x 281
Step 2: Find the prime factorization of 1131
1131 = 3 x 13 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1271244 = 2 x 2 x 3 x 13 x 29 x 281
Step 4: Therefore, the least common multiple of 1124 and 1131 is 1271244.