Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1090 and 1092 the smallest integer that is 595140 that is divisible by both numbers.
Least Common Multiple (LCM) of 1090 and 1092 is 595140.
LCM(1090,1092) = 595140
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 1090 and 1092. First we will calculate the prime factors of 1090 and 1092.
Prime Factorization of 1090
2 | 1090 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 1090 are 2, 5,109. Prime factorization of 1090 in exponential form is:
1090 = 21×51×1091
Prime Factorization of 1092
2 | 1092 |
2 | 546 |
3 | 273 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 1092 are 2, 3, 7,13. Prime factorization of 1092 in exponential form is:
1092 = 22×31×71×131
Now multiplying the highest exponent prime factors to calculate the LCM of 1090 and 1092.
LCM(1090,1092) = 22×31×51×71×131×1091
LCM(1090,1092) = 595140
Factors of 1090
List of positive integer factors of 1090 that divides 1090 without a remainder.
1, 2, 5, 10, 109, 218, 545, 1090
Factors of 1092
List of positive integer factors of 1092 that divides 1092 without a remainder.
1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1090 and 1092, than apply into the LCM equation.
GCF(1090,1092) = 2
LCM(1090,1092) = ( 1090 × 1092) / 2
LCM(1090,1092) = 1190280 / 2
LCM(1090,1092) = 595140
(i) The LCM of 1092 and 1090 is associative
LCM of 1090 and 1092 = LCM of 1092 and 1090
1. What is the LCM of 1090 and 1092?
Answer: LCM of 1090 and 1092 is 595140.
2. What are the Factors of 1090?
Answer: Factors of 1090 are 1, 2, 5, 10, 109, 218, 545, 1090. There are 8 integers that are factors of 1090. The greatest factor of 1090 is 1090.
3. What are the Factors of 1092?
Answer: Factors of 1092 are 1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092. There are 24 integers that are factors of 1092. The greatest factor of 1092 is 1092.
4. How to Find the LCM of 1090 and 1092?
Answer:
Least Common Multiple of 1090 and 1092 = 595140
Step 1: Find the prime factorization of 1090
1090 = 2 x 5 x 109
Step 2: Find the prime factorization of 1092
1092 = 2 x 2 x 3 x 7 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 595140 = 2 x 2 x 3 x 5 x 7 x 13 x 109
Step 4: Therefore, the least common multiple of 1090 and 1092 is 595140.