Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7404 and 7409 the smallest integer that is 54856236 that is divisible by both numbers.
Least Common Multiple (LCM) of 7404 and 7409 is 54856236.
LCM(7404,7409) = 54856236
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 7404 and 7409. First we will calculate the prime factors of 7404 and 7409.
Prime Factorization of 7404
2 | 7404 |
2 | 3702 |
3 | 1851 |
617 | 617 |
1 |
Prime factors of 7404 are 2, 3,617. Prime factorization of 7404 in exponential form is:
7404 = 22×31×6171
Prime Factorization of 7409
31 | 7409 |
239 | 239 |
1 |
Prime factors of 7409 are 31,239. Prime factorization of 7409 in exponential form is:
7409 = 311×2391
Now multiplying the highest exponent prime factors to calculate the LCM of 7404 and 7409.
LCM(7404,7409) = 22×31×311×2391×6171
LCM(7404,7409) = 54856236
Factors of 7404
List of positive integer factors of 7404 that divides 7404 without a remainder.
1, 2, 3, 4, 6, 12, 617, 1234, 1851, 2468, 3702, 7404
Factors of 7409
List of positive integer factors of 7409 that divides 7409 without a remainder.
1, 31, 239, 7409
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7404 and 7409, than apply into the LCM equation.
GCF(7404,7409) = 1
LCM(7404,7409) = ( 7404 × 7409) / 1
LCM(7404,7409) = 54856236 / 1
LCM(7404,7409) = 54856236
(i) The LCM of 7409 and 7404 is associative
LCM of 7404 and 7409 = LCM of 7409 and 7404
1. What is the LCM of 7404 and 7409?
Answer: LCM of 7404 and 7409 is 54856236.
2. What are the Factors of 7404?
Answer: Factors of 7404 are 1, 2, 3, 4, 6, 12, 617, 1234, 1851, 2468, 3702, 7404. There are 12 integers that are factors of 7404. The greatest factor of 7404 is 7404.
3. What are the Factors of 7409?
Answer: Factors of 7409 are 1, 31, 239, 7409. There are 4 integers that are factors of 7409. The greatest factor of 7409 is 7409.
4. How to Find the LCM of 7404 and 7409?
Answer:
Least Common Multiple of 7404 and 7409 = 54856236
Step 1: Find the prime factorization of 7404
7404 = 2 x 2 x 3 x 617
Step 2: Find the prime factorization of 7409
7409 = 31 x 239
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 54856236 = 2 x 2 x 3 x 31 x 239 x 617
Step 4: Therefore, the least common multiple of 7404 and 7409 is 54856236.