Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7242 and 7247 the smallest integer that is 52482774 that is divisible by both numbers.
Least Common Multiple (LCM) of 7242 and 7247 is 52482774.
LCM(7242,7247) = 52482774
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 7242 and 7247. First we will calculate the prime factors of 7242 and 7247.
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
Prime Factorization of 7247
7247 | 7247 |
1 |
Prime factors of 7247 are 7247. Prime factorization of 7247 in exponential form is:
7247 = 72471
Now multiplying the highest exponent prime factors to calculate the LCM of 7242 and 7247.
LCM(7242,7247) = 21×31×171×711×72471
LCM(7242,7247) = 52482774
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
Factors of 7247
List of positive integer factors of 7247 that divides 7247 without a remainder.
1, 7247
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7242 and 7247, than apply into the LCM equation.
GCF(7242,7247) = 1
LCM(7242,7247) = ( 7242 × 7247) / 1
LCM(7242,7247) = 52482774 / 1
LCM(7242,7247) = 52482774
(i) The LCM of 7247 and 7242 is associative
LCM of 7242 and 7247 = LCM of 7247 and 7242
1. What is the LCM of 7242 and 7247?
Answer: LCM of 7242 and 7247 is 52482774.
2. 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.
3. What are the Factors of 7247?
Answer: Factors of 7247 are 1, 7247. There are 2 integers that are factors of 7247. The greatest factor of 7247 is 7247.
4. How to Find the LCM of 7242 and 7247?
Answer:
Least Common Multiple of 7242 and 7247 = 52482774
Step 1: Find the prime factorization of 7242
7242 = 2 x 3 x 17 x 71
Step 2: Find the prime factorization of 7247
7247 = 7247
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 52482774 = 2 x 3 x 17 x 71 x 7247
Step 4: Therefore, the least common multiple of 7242 and 7247 is 52482774.