Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1236 and 1241 the smallest integer that is 1533876 that is divisible by both numbers.
Least Common Multiple (LCM) of 1236 and 1241 is 1533876.
LCM(1236,1241) = 1533876
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 1236 and 1241. First we will calculate the prime factors of 1236 and 1241.
Prime Factorization of 1236
2 | 1236 |
2 | 618 |
3 | 309 |
103 | 103 |
1 |
Prime factors of 1236 are 2, 3,103. Prime factorization of 1236 in exponential form is:
1236 = 22×31×1031
Prime Factorization of 1241
17 | 1241 |
73 | 73 |
1 |
Prime factors of 1241 are 17,73. Prime factorization of 1241 in exponential form is:
1241 = 171×731
Now multiplying the highest exponent prime factors to calculate the LCM of 1236 and 1241.
LCM(1236,1241) = 22×31×171×731×1031
LCM(1236,1241) = 1533876
Factors of 1236
List of positive integer factors of 1236 that divides 1236 without a remainder.
1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236
Factors of 1241
List of positive integer factors of 1241 that divides 1241 without a remainder.
1, 17, 73, 1241
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1236 and 1241, than apply into the LCM equation.
GCF(1236,1241) = 1
LCM(1236,1241) = ( 1236 × 1241) / 1
LCM(1236,1241) = 1533876 / 1
LCM(1236,1241) = 1533876
(i) The LCM of 1241 and 1236 is associative
LCM of 1236 and 1241 = LCM of 1241 and 1236
1. What is the LCM of 1236 and 1241?
Answer: LCM of 1236 and 1241 is 1533876.
2. What are the Factors of 1236?
Answer: Factors of 1236 are 1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236. There are 12 integers that are factors of 1236. The greatest factor of 1236 is 1236.
3. What are the Factors of 1241?
Answer: Factors of 1241 are 1, 17, 73, 1241. There are 4 integers that are factors of 1241. The greatest factor of 1241 is 1241.
4. How to Find the LCM of 1236 and 1241?
Answer:
Least Common Multiple of 1236 and 1241 = 1533876
Step 1: Find the prime factorization of 1236
1236 = 2 x 2 x 3 x 103
Step 2: Find the prime factorization of 1241
1241 = 17 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1533876 = 2 x 2 x 3 x 17 x 73 x 103
Step 4: Therefore, the least common multiple of 1236 and 1241 is 1533876.