Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1158 and 1162 the smallest integer that is 672798 that is divisible by both numbers.
Least Common Multiple (LCM) of 1158 and 1162 is 672798.
LCM(1158,1162) = 672798
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 1158 and 1162. First we will calculate the prime factors of 1158 and 1162.
Prime Factorization of 1158
2 | 1158 |
3 | 579 |
193 | 193 |
1 |
Prime factors of 1158 are 2, 3,193. Prime factorization of 1158 in exponential form is:
1158 = 21×31×1931
Prime Factorization of 1162
2 | 1162 |
7 | 581 |
83 | 83 |
1 |
Prime factors of 1162 are 2, 7,83. Prime factorization of 1162 in exponential form is:
1162 = 21×71×831
Now multiplying the highest exponent prime factors to calculate the LCM of 1158 and 1162.
LCM(1158,1162) = 21×31×71×831×1931
LCM(1158,1162) = 672798
Factors of 1158
List of positive integer factors of 1158 that divides 1158 without a remainder.
1, 2, 3, 6, 193, 386, 579, 1158
Factors of 1162
List of positive integer factors of 1162 that divides 1162 without a remainder.
1, 2, 7, 14, 83, 166, 581, 1162
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1158 and 1162, than apply into the LCM equation.
GCF(1158,1162) = 2
LCM(1158,1162) = ( 1158 × 1162) / 2
LCM(1158,1162) = 1345596 / 2
LCM(1158,1162) = 672798
(i) The LCM of 1162 and 1158 is associative
LCM of 1158 and 1162 = LCM of 1162 and 1158
1. What is the LCM of 1158 and 1162?
Answer: LCM of 1158 and 1162 is 672798.
2. What are the Factors of 1158?
Answer: Factors of 1158 are 1, 2, 3, 6, 193, 386, 579, 1158. There are 8 integers that are factors of 1158. The greatest factor of 1158 is 1158.
3. What are the Factors of 1162?
Answer: Factors of 1162 are 1, 2, 7, 14, 83, 166, 581, 1162. There are 8 integers that are factors of 1162. The greatest factor of 1162 is 1162.
4. How to Find the LCM of 1158 and 1162?
Answer:
Least Common Multiple of 1158 and 1162 = 672798
Step 1: Find the prime factorization of 1158
1158 = 2 x 3 x 193
Step 2: Find the prime factorization of 1162
1162 = 2 x 7 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 672798 = 2 x 3 x 7 x 83 x 193
Step 4: Therefore, the least common multiple of 1158 and 1162 is 672798.