Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 73405 and 73409 the smallest integer that is 5388587645 that is divisible by both numbers.
Least Common Multiple (LCM) of 73405 and 73409 is 5388587645.
LCM(73405,73409) = 5388587645
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 73405 and 73409. First we will calculate the prime factors of 73405 and 73409.
Prime Factorization of 73405
5 | 73405 |
53 | 14681 |
277 | 277 |
1 |
Prime factors of 73405 are 5, 53,277. Prime factorization of 73405 in exponential form is:
73405 = 51×531×2771
Prime Factorization of 73409
7 | 73409 |
10487 | 10487 |
1 |
Prime factors of 73409 are 7,10487. Prime factorization of 73409 in exponential form is:
73409 = 71×104871
Now multiplying the highest exponent prime factors to calculate the LCM of 73405 and 73409.
LCM(73405,73409) = 51×71×531×2771×104871
LCM(73405,73409) = 5388587645
Factors of 73405
List of positive integer factors of 73405 that divides 73405 without a remainder.
1, 5, 53, 265, 277, 1385, 14681, 73405
Factors of 73409
List of positive integer factors of 73409 that divides 73409 without a remainder.
1, 7, 10487, 73409
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73405 and 73409, than apply into the LCM equation.
GCF(73405,73409) = 1
LCM(73405,73409) = ( 73405 × 73409) / 1
LCM(73405,73409) = 5388587645 / 1
LCM(73405,73409) = 5388587645
(i) The LCM of 73409 and 73405 is associative
LCM of 73405 and 73409 = LCM of 73409 and 73405
1. What is the LCM of 73405 and 73409?
Answer: LCM of 73405 and 73409 is 5388587645.
2. What are the Factors of 73405?
Answer: Factors of 73405 are 1, 5, 53, 265, 277, 1385, 14681, 73405. There are 8 integers that are factors of 73405. The greatest factor of 73405 is 73405.
3. What are the Factors of 73409?
Answer: Factors of 73409 are 1, 7, 10487, 73409. There are 4 integers that are factors of 73409. The greatest factor of 73409 is 73409.
4. How to Find the LCM of 73405 and 73409?
Answer:
Least Common Multiple of 73405 and 73409 = 5388587645
Step 1: Find the prime factorization of 73405
73405 = 5 x 53 x 277
Step 2: Find the prime factorization of 73409
73409 = 7 x 10487
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5388587645 = 5 x 7 x 53 x 277 x 10487
Step 4: Therefore, the least common multiple of 73405 and 73409 is 5388587645.