Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1157 and 1163 the smallest integer that is 1345591 that is divisible by both numbers.
Least Common Multiple (LCM) of 1157 and 1163 is 1345591.
LCM(1157,1163) = 1345591
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 1157 and 1163. First we will calculate the prime factors of 1157 and 1163.
Prime Factorization of 1157
13 | 1157 |
89 | 89 |
1 |
Prime factors of 1157 are 13,89. Prime factorization of 1157 in exponential form is:
1157 = 131×891
Prime Factorization of 1163
1163 | 1163 |
1 |
Prime factors of 1163 are 1163. Prime factorization of 1163 in exponential form is:
1163 = 11631
Now multiplying the highest exponent prime factors to calculate the LCM of 1157 and 1163.
LCM(1157,1163) = 131×891×11631
LCM(1157,1163) = 1345591
Factors of 1157
List of positive integer factors of 1157 that divides 1157 without a remainder.
1, 13, 89, 1157
Factors of 1163
List of positive integer factors of 1163 that divides 1163 without a remainder.
1, 1163
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1157 and 1163, than apply into the LCM equation.
GCF(1157,1163) = 1
LCM(1157,1163) = ( 1157 × 1163) / 1
LCM(1157,1163) = 1345591 / 1
LCM(1157,1163) = 1345591
(i) The LCM of 1163 and 1157 is associative
LCM of 1157 and 1163 = LCM of 1163 and 1157
1. What is the LCM of 1157 and 1163?
Answer: LCM of 1157 and 1163 is 1345591.
2. What are the Factors of 1157?
Answer: Factors of 1157 are 1, 13, 89, 1157. There are 4 integers that are factors of 1157. The greatest factor of 1157 is 1157.
3. What are the Factors of 1163?
Answer: Factors of 1163 are 1, 1163. There are 2 integers that are factors of 1163. The greatest factor of 1163 is 1163.
4. How to Find the LCM of 1157 and 1163?
Answer:
Least Common Multiple of 1157 and 1163 = 1345591
Step 1: Find the prime factorization of 1157
1157 = 13 x 89
Step 2: Find the prime factorization of 1163
1163 = 1163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1345591 = 13 x 89 x 1163
Step 4: Therefore, the least common multiple of 1157 and 1163 is 1345591.