Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1400 and 1404 the smallest integer that is 491400 that is divisible by both numbers.
Least Common Multiple (LCM) of 1400 and 1404 is 491400.
LCM(1400,1404) = 491400
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 1400 and 1404. First we will calculate the prime factors of 1400 and 1404.
Prime Factorization of 1400
2 | 1400 |
2 | 700 |
2 | 350 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 1400 are 2, 5,7. Prime factorization of 1400 in exponential form is:
1400 = 23×52×71
Prime Factorization of 1404
2 | 1404 |
2 | 702 |
3 | 351 |
3 | 117 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 1404 are 2, 3,13. Prime factorization of 1404 in exponential form is:
1404 = 22×33×131
Now multiplying the highest exponent prime factors to calculate the LCM of 1400 and 1404.
LCM(1400,1404) = 23×33×52×71×131
LCM(1400,1404) = 491400
Factors of 1400
List of positive integer factors of 1400 that divides 1400 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400
Factors of 1404
List of positive integer factors of 1404 that divides 1404 without a remainder.
1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1400 and 1404, than apply into the LCM equation.
GCF(1400,1404) = 4
LCM(1400,1404) = ( 1400 × 1404) / 4
LCM(1400,1404) = 1965600 / 4
LCM(1400,1404) = 491400
(i) The LCM of 1404 and 1400 is associative
LCM of 1400 and 1404 = LCM of 1404 and 1400
1. What is the LCM of 1400 and 1404?
Answer: LCM of 1400 and 1404 is 491400.
2. What are the Factors of 1400?
Answer: Factors of 1400 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400. There are 24 integers that are factors of 1400. The greatest factor of 1400 is 1400.
3. What are the Factors of 1404?
Answer: Factors of 1404 are 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404. There are 24 integers that are factors of 1404. The greatest factor of 1404 is 1404.
4. How to Find the LCM of 1400 and 1404?
Answer:
Least Common Multiple of 1400 and 1404 = 491400
Step 1: Find the prime factorization of 1400
1400 = 2 x 2 x 2 x 5 x 5 x 7
Step 2: Find the prime factorization of 1404
1404 = 2 x 2 x 3 x 3 x 3 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 = 491400 = 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 7 x 13
Step 4: Therefore, the least common multiple of 1400 and 1404 is 491400.