Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1145 and 1151 the smallest integer that is 1317895 that is divisible by both numbers.
Least Common Multiple (LCM) of 1145 and 1151 is 1317895.
LCM(1145,1151) = 1317895
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 1145 and 1151. First we will calculate the prime factors of 1145 and 1151.
Prime Factorization of 1145
5 | 1145 |
229 | 229 |
1 |
Prime factors of 1145 are 5,229. Prime factorization of 1145 in exponential form is:
1145 = 51×2291
Prime Factorization of 1151
1151 | 1151 |
1 |
Prime factors of 1151 are 1151. Prime factorization of 1151 in exponential form is:
1151 = 11511
Now multiplying the highest exponent prime factors to calculate the LCM of 1145 and 1151.
LCM(1145,1151) = 51×2291×11511
LCM(1145,1151) = 1317895
Factors of 1145
List of positive integer factors of 1145 that divides 1145 without a remainder.
1, 5, 229, 1145
Factors of 1151
List of positive integer factors of 1151 that divides 1151 without a remainder.
1, 1151
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1145 and 1151, than apply into the LCM equation.
GCF(1145,1151) = 1
LCM(1145,1151) = ( 1145 × 1151) / 1
LCM(1145,1151) = 1317895 / 1
LCM(1145,1151) = 1317895
(i) The LCM of 1151 and 1145 is associative
LCM of 1145 and 1151 = LCM of 1151 and 1145
1. What is the LCM of 1145 and 1151?
Answer: LCM of 1145 and 1151 is 1317895.
2. What are the Factors of 1145?
Answer: Factors of 1145 are 1, 5, 229, 1145. There are 4 integers that are factors of 1145. The greatest factor of 1145 is 1145.
3. What are the Factors of 1151?
Answer: Factors of 1151 are 1, 1151. There are 2 integers that are factors of 1151. The greatest factor of 1151 is 1151.
4. How to Find the LCM of 1145 and 1151?
Answer:
Least Common Multiple of 1145 and 1151 = 1317895
Step 1: Find the prime factorization of 1145
1145 = 5 x 229
Step 2: Find the prime factorization of 1151
1151 = 1151
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1317895 = 5 x 229 x 1151
Step 4: Therefore, the least common multiple of 1145 and 1151 is 1317895.