Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1083 and 1090 the smallest integer that is 1180470 that is divisible by both numbers.
Least Common Multiple (LCM) of 1083 and 1090 is 1180470.
LCM(1083,1090) = 1180470
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 1083 and 1090. First we will calculate the prime factors of 1083 and 1090.
Prime Factorization of 1083
3 | 1083 |
19 | 361 |
19 | 19 |
1 |
Prime factors of 1083 are 3,19. Prime factorization of 1083 in exponential form is:
1083 = 31×192
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1083 and 1090.
LCM(1083,1090) = 21×31×51×192×1091
LCM(1083,1090) = 1180470
Factors of 1083
List of positive integer factors of 1083 that divides 1083 without a remainder.
1, 3, 19, 57, 361, 1083
Factors of 1090
List of positive integer factors of 1090 that divides 1090 without a remainder.
1, 2, 5, 10, 109, 218, 545, 1090
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1083 and 1090, than apply into the LCM equation.
GCF(1083,1090) = 1
LCM(1083,1090) = ( 1083 × 1090) / 1
LCM(1083,1090) = 1180470 / 1
LCM(1083,1090) = 1180470
(i) The LCM of 1090 and 1083 is associative
LCM of 1083 and 1090 = LCM of 1090 and 1083
1. What is the LCM of 1083 and 1090?
Answer: LCM of 1083 and 1090 is 1180470.
2. What are the Factors of 1083?
Answer: Factors of 1083 are 1, 3, 19, 57, 361, 1083. There are 6 integers that are factors of 1083. The greatest factor of 1083 is 1083.
3. 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.
4. How to Find the LCM of 1083 and 1090?
Answer:
Least Common Multiple of 1083 and 1090 = 1180470
Step 1: Find the prime factorization of 1083
1083 = 3 x 19 x 19
Step 2: Find the prime factorization of 1090
1090 = 2 x 5 x 109
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1180470 = 2 x 3 x 5 x 19 x 19 x 109
Step 4: Therefore, the least common multiple of 1083 and 1090 is 1180470.