Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7236 and 7242 the smallest integer that is 8733852 that is divisible by both numbers.
Least Common Multiple (LCM) of 7236 and 7242 is 8733852.
LCM(7236,7242) = 8733852
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 7236 and 7242. First we will calculate the prime factors of 7236 and 7242.
Prime Factorization of 7236
2 | 7236 |
2 | 3618 |
3 | 1809 |
3 | 603 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 7236 are 2, 3,67. Prime factorization of 7236 in exponential form is:
7236 = 22×33×671
Prime Factorization of 7242
2 | 7242 |
3 | 3621 |
17 | 1207 |
71 | 71 |
1 |
Prime factors of 7242 are 2, 3, 17,71. Prime factorization of 7242 in exponential form is:
7242 = 21×31×171×711
Now multiplying the highest exponent prime factors to calculate the LCM of 7236 and 7242.
LCM(7236,7242) = 22×33×171×671×711
LCM(7236,7242) = 8733852
Factors of 7236
List of positive integer factors of 7236 that divides 7236 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 3618, 7236
Factors of 7242
List of positive integer factors of 7242 that divides 7242 without a remainder.
1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 3621, 7242
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7236 and 7242, than apply into the LCM equation.
GCF(7236,7242) = 6
LCM(7236,7242) = ( 7236 × 7242) / 6
LCM(7236,7242) = 52403112 / 6
LCM(7236,7242) = 8733852
(i) The LCM of 7242 and 7236 is associative
LCM of 7236 and 7242 = LCM of 7242 and 7236
1. What is the LCM of 7236 and 7242?
Answer: LCM of 7236 and 7242 is 8733852.
2. What are the Factors of 7236?
Answer: Factors of 7236 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 108, 134, 201, 268, 402, 603, 804, 1206, 1809, 2412, 3618, 7236. There are 24 integers that are factors of 7236. The greatest factor of 7236 is 7236.
3. What are the Factors of 7242?
Answer: Factors of 7242 are 1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 3621, 7242. There are 16 integers that are factors of 7242. The greatest factor of 7242 is 7242.
4. How to Find the LCM of 7236 and 7242?
Answer:
Least Common Multiple of 7236 and 7242 = 8733852
Step 1: Find the prime factorization of 7236
7236 = 2 x 2 x 3 x 3 x 3 x 67
Step 2: Find the prime factorization of 7242
7242 = 2 x 3 x 17 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8733852 = 2 x 2 x 3 x 3 x 3 x 17 x 67 x 71
Step 4: Therefore, the least common multiple of 7236 and 7242 is 8733852.