Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1148 and 1156 the smallest integer that is 331772 that is divisible by both numbers.
Least Common Multiple (LCM) of 1148 and 1156 is 331772.
LCM(1148,1156) = 331772
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 1148 and 1156. First we will calculate the prime factors of 1148 and 1156.
Prime Factorization of 1148
2 | 1148 |
2 | 574 |
7 | 287 |
41 | 41 |
1 |
Prime factors of 1148 are 2, 7,41. Prime factorization of 1148 in exponential form is:
1148 = 22×71×411
Prime Factorization of 1156
2 | 1156 |
2 | 578 |
17 | 289 |
17 | 17 |
1 |
Prime factors of 1156 are 2,17. Prime factorization of 1156 in exponential form is:
1156 = 22×172
Now multiplying the highest exponent prime factors to calculate the LCM of 1148 and 1156.
LCM(1148,1156) = 22×71×172×411
LCM(1148,1156) = 331772
Factors of 1148
List of positive integer factors of 1148 that divides 1148 without a remainder.
1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148
Factors of 1156
List of positive integer factors of 1156 that divides 1156 without a remainder.
1, 2, 4, 17, 34, 68, 289, 578, 1156
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1148 and 1156, than apply into the LCM equation.
GCF(1148,1156) = 4
LCM(1148,1156) = ( 1148 × 1156) / 4
LCM(1148,1156) = 1327088 / 4
LCM(1148,1156) = 331772
(i) The LCM of 1156 and 1148 is associative
LCM of 1148 and 1156 = LCM of 1156 and 1148
1. What is the LCM of 1148 and 1156?
Answer: LCM of 1148 and 1156 is 331772.
2. What are the Factors of 1148?
Answer: Factors of 1148 are 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148. There are 12 integers that are factors of 1148. The greatest factor of 1148 is 1148.
3. What are the Factors of 1156?
Answer: Factors of 1156 are 1, 2, 4, 17, 34, 68, 289, 578, 1156. There are 9 integers that are factors of 1156. The greatest factor of 1156 is 1156.
4. How to Find the LCM of 1148 and 1156?
Answer:
Least Common Multiple of 1148 and 1156 = 331772
Step 1: Find the prime factorization of 1148
1148 = 2 x 2 x 7 x 41
Step 2: Find the prime factorization of 1156
1156 = 2 x 2 x 17 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 331772 = 2 x 2 x 7 x 17 x 17 x 41
Step 4: Therefore, the least common multiple of 1148 and 1156 is 331772.