Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1116 and 1122 the smallest integer that is 208692 that is divisible by both numbers.
Least Common Multiple (LCM) of 1116 and 1122 is 208692.
LCM(1116,1122) = 208692
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 1116 and 1122. First we will calculate the prime factors of 1116 and 1122.
Prime Factorization of 1116
2 | 1116 |
2 | 558 |
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 1116 are 2, 3,31. Prime factorization of 1116 in exponential form is:
1116 = 22×32×311
Prime Factorization of 1122
2 | 1122 |
3 | 561 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 1122 are 2, 3, 11,17. Prime factorization of 1122 in exponential form is:
1122 = 21×31×111×171
Now multiplying the highest exponent prime factors to calculate the LCM of 1116 and 1122.
LCM(1116,1122) = 22×32×111×171×311
LCM(1116,1122) = 208692
Factors of 1116
List of positive integer factors of 1116 that divides 1116 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116
Factors of 1122
List of positive integer factors of 1122 that divides 1122 without a remainder.
1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1116 and 1122, than apply into the LCM equation.
GCF(1116,1122) = 6
LCM(1116,1122) = ( 1116 × 1122) / 6
LCM(1116,1122) = 1252152 / 6
LCM(1116,1122) = 208692
(i) The LCM of 1122 and 1116 is associative
LCM of 1116 and 1122 = LCM of 1122 and 1116
1. What is the LCM of 1116 and 1122?
Answer: LCM of 1116 and 1122 is 208692.
2. What are the Factors of 1116?
Answer: Factors of 1116 are 1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116. There are 18 integers that are factors of 1116. The greatest factor of 1116 is 1116.
3. What are the Factors of 1122?
Answer: Factors of 1122 are 1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122. There are 16 integers that are factors of 1122. The greatest factor of 1122 is 1122.
4. How to Find the LCM of 1116 and 1122?
Answer:
Least Common Multiple of 1116 and 1122 = 208692
Step 1: Find the prime factorization of 1116
1116 = 2 x 2 x 3 x 3 x 31
Step 2: Find the prime factorization of 1122
1122 = 2 x 3 x 11 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 = 208692 = 2 x 2 x 3 x 3 x 11 x 17 x 31
Step 4: Therefore, the least common multiple of 1116 and 1122 is 208692.