Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1190 and 1198 the smallest integer that is 712810 that is divisible by both numbers.
Least Common Multiple (LCM) of 1190 and 1198 is 712810.
LCM(1190,1198) = 712810
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 1190 and 1198. First we will calculate the prime factors of 1190 and 1198.
Prime Factorization of 1190
2 | 1190 |
5 | 595 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 1190 are 2, 5, 7,17. Prime factorization of 1190 in exponential form is:
1190 = 21×51×71×171
Prime Factorization of 1198
2 | 1198 |
599 | 599 |
1 |
Prime factors of 1198 are 2,599. Prime factorization of 1198 in exponential form is:
1198 = 21×5991
Now multiplying the highest exponent prime factors to calculate the LCM of 1190 and 1198.
LCM(1190,1198) = 21×51×71×171×5991
LCM(1190,1198) = 712810
Factors of 1190
List of positive integer factors of 1190 that divides 1190 without a remainder.
1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190
Factors of 1198
List of positive integer factors of 1198 that divides 1198 without a remainder.
1, 2, 599, 1198
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1190 and 1198, than apply into the LCM equation.
GCF(1190,1198) = 2
LCM(1190,1198) = ( 1190 × 1198) / 2
LCM(1190,1198) = 1425620 / 2
LCM(1190,1198) = 712810
(i) The LCM of 1198 and 1190 is associative
LCM of 1190 and 1198 = LCM of 1198 and 1190
1. What is the LCM of 1190 and 1198?
Answer: LCM of 1190 and 1198 is 712810.
2. What are the Factors of 1190?
Answer: Factors of 1190 are 1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190. There are 16 integers that are factors of 1190. The greatest factor of 1190 is 1190.
3. What are the Factors of 1198?
Answer: Factors of 1198 are 1, 2, 599, 1198. There are 4 integers that are factors of 1198. The greatest factor of 1198 is 1198.
4. How to Find the LCM of 1190 and 1198?
Answer:
Least Common Multiple of 1190 and 1198 = 712810
Step 1: Find the prime factorization of 1190
1190 = 2 x 5 x 7 x 17
Step 2: Find the prime factorization of 1198
1198 = 2 x 599
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 712810 = 2 x 5 x 7 x 17 x 599
Step 4: Therefore, the least common multiple of 1190 and 1198 is 712810.