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 7249 the smallest integer that is 52497258 that is divisible by both numbers.
Least Common Multiple (LCM) of 7242 and 7249 is 52497258.
LCM(7242,7249) = 52497258
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 7249. First we will calculate the prime factors of 7242 and 7249.
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 7249
11 | 7249 |
659 | 659 |
1 |
Prime factors of 7249 are 11,659. Prime factorization of 7249 in exponential form is:
7249 = 111×6591
Now multiplying the highest exponent prime factors to calculate the LCM of 7242 and 7249.
LCM(7242,7249) = 21×31×111×171×711×6591
LCM(7242,7249) = 52497258
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 7249
List of positive integer factors of 7249 that divides 7249 without a remainder.
1, 11, 659, 7249
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7242 and 7249, than apply into the LCM equation.
GCF(7242,7249) = 1
LCM(7242,7249) = ( 7242 × 7249) / 1
LCM(7242,7249) = 52497258 / 1
LCM(7242,7249) = 52497258
(i) The LCM of 7249 and 7242 is associative
LCM of 7242 and 7249 = LCM of 7249 and 7242
1. What is the LCM of 7242 and 7249?
Answer: LCM of 7242 and 7249 is 52497258.
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 7249?
Answer: Factors of 7249 are 1, 11, 659, 7249. There are 4 integers that are factors of 7249. The greatest factor of 7249 is 7249.
4. How to Find the LCM of 7242 and 7249?
Answer:
Least Common Multiple of 7242 and 7249 = 52497258
Step 1: Find the prime factorization of 7242
7242 = 2 x 3 x 17 x 71
Step 2: Find the prime factorization of 7249
7249 = 11 x 659
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 52497258 = 2 x 3 x 11 x 17 x 71 x 659
Step 4: Therefore, the least common multiple of 7242 and 7249 is 52497258.