Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 15372 and 15378 the smallest integer that is 39398436 that is divisible by both numbers.
Least Common Multiple (LCM) of 15372 and 15378 is 39398436.
LCM(15372,15378) = 39398436
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 15372 and 15378. First we will calculate the prime factors of 15372 and 15378.
Prime Factorization of 15372
2 | 15372 |
2 | 7686 |
3 | 3843 |
3 | 1281 |
7 | 427 |
61 | 61 |
1 |
Prime factors of 15372 are 2, 3, 7,61. Prime factorization of 15372 in exponential form is:
15372 = 22×32×71×611
Prime Factorization of 15378
2 | 15378 |
3 | 7689 |
11 | 2563 |
233 | 233 |
1 |
Prime factors of 15378 are 2, 3, 11,233. Prime factorization of 15378 in exponential form is:
15378 = 21×31×111×2331
Now multiplying the highest exponent prime factors to calculate the LCM of 15372 and 15378.
LCM(15372,15378) = 22×32×71×111×611×2331
LCM(15372,15378) = 39398436
Factors of 15372
List of positive integer factors of 15372 that divides 15372 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372
Factors of 15378
List of positive integer factors of 15378 that divides 15378 without a remainder.
1, 2, 3, 6, 11, 22, 33, 66, 233, 466, 699, 1398, 2563, 5126, 7689, 15378
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15372 and 15378, than apply into the LCM equation.
GCF(15372,15378) = 6
LCM(15372,15378) = ( 15372 × 15378) / 6
LCM(15372,15378) = 236390616 / 6
LCM(15372,15378) = 39398436
(i) The LCM of 15378 and 15372 is associative
LCM of 15372 and 15378 = LCM of 15378 and 15372
1. What is the LCM of 15372 and 15378?
Answer: LCM of 15372 and 15378 is 39398436.
2. What are the Factors of 15372?
Answer: Factors of 15372 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372. There are 36 integers that are factors of 15372. The greatest factor of 15372 is 15372.
3. What are the Factors of 15378?
Answer: Factors of 15378 are 1, 2, 3, 6, 11, 22, 33, 66, 233, 466, 699, 1398, 2563, 5126, 7689, 15378. There are 16 integers that are factors of 15378. The greatest factor of 15378 is 15378.
4. How to Find the LCM of 15372 and 15378?
Answer:
Least Common Multiple of 15372 and 15378 = 39398436
Step 1: Find the prime factorization of 15372
15372 = 2 x 2 x 3 x 3 x 7 x 61
Step 2: Find the prime factorization of 15378
15378 = 2 x 3 x 11 x 233
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 39398436 = 2 x 2 x 3 x 3 x 7 x 11 x 61 x 233
Step 4: Therefore, the least common multiple of 15372 and 15378 is 39398436.