Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 39243 and 39249 the smallest integer that is 513416169 that is divisible by both numbers.
Least Common Multiple (LCM) of 39243 and 39249 is 513416169.
LCM(39243,39249) = 513416169
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 39243 and 39249. First we will calculate the prime factors of 39243 and 39249.
Prime Factorization of 39243
3 | 39243 |
103 | 13081 |
127 | 127 |
1 |
Prime factors of 39243 are 3, 103,127. Prime factorization of 39243 in exponential form is:
39243 = 31×1031×1271
Prime Factorization of 39249
3 | 39249 |
3 | 13083 |
7 | 4361 |
7 | 623 |
89 | 89 |
1 |
Prime factors of 39249 are 3, 7,89. Prime factorization of 39249 in exponential form is:
39249 = 32×72×891
Now multiplying the highest exponent prime factors to calculate the LCM of 39243 and 39249.
LCM(39243,39249) = 32×72×891×1031×1271
LCM(39243,39249) = 513416169
Factors of 39243
List of positive integer factors of 39243 that divides 39243 without a remainder.
1, 3, 103, 127, 309, 381, 13081, 39243
Factors of 39249
List of positive integer factors of 39249 that divides 39249 without a remainder.
1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 13083, 39249
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39243 and 39249, than apply into the LCM equation.
GCF(39243,39249) = 3
LCM(39243,39249) = ( 39243 × 39249) / 3
LCM(39243,39249) = 1540248507 / 3
LCM(39243,39249) = 513416169
(i) The LCM of 39249 and 39243 is associative
LCM of 39243 and 39249 = LCM of 39249 and 39243
1. What is the LCM of 39243 and 39249?
Answer: LCM of 39243 and 39249 is 513416169.
2. What are the Factors of 39243?
Answer: Factors of 39243 are 1, 3, 103, 127, 309, 381, 13081, 39243. There are 8 integers that are factors of 39243. The greatest factor of 39243 is 39243.
3. What are the Factors of 39249?
Answer: Factors of 39249 are 1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 13083, 39249. There are 18 integers that are factors of 39249. The greatest factor of 39249 is 39249.
4. How to Find the LCM of 39243 and 39249?
Answer:
Least Common Multiple of 39243 and 39249 = 513416169
Step 1: Find the prime factorization of 39243
39243 = 3 x 103 x 127
Step 2: Find the prime factorization of 39249
39249 = 3 x 3 x 7 x 7 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 513416169 = 3 x 3 x 7 x 7 x 89 x 103 x 127
Step 4: Therefore, the least common multiple of 39243 and 39249 is 513416169.