Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8404 and 8409 the smallest integer that is 70669236 that is divisible by both numbers.
Least Common Multiple (LCM) of 8404 and 8409 is 70669236.
LCM(8404,8409) = 70669236
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 8404 and 8409. First we will calculate the prime factors of 8404 and 8409.
Prime Factorization of 8404
2 | 8404 |
2 | 4202 |
11 | 2101 |
191 | 191 |
1 |
Prime factors of 8404 are 2, 11,191. Prime factorization of 8404 in exponential form is:
8404 = 22×111×1911
Prime Factorization of 8409
3 | 8409 |
2803 | 2803 |
1 |
Prime factors of 8409 are 3,2803. Prime factorization of 8409 in exponential form is:
8409 = 31×28031
Now multiplying the highest exponent prime factors to calculate the LCM of 8404 and 8409.
LCM(8404,8409) = 22×31×111×1911×28031
LCM(8404,8409) = 70669236
Factors of 8404
List of positive integer factors of 8404 that divides 8404 without a remainder.
1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404
Factors of 8409
List of positive integer factors of 8409 that divides 8409 without a remainder.
1, 3, 2803, 8409
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8404 and 8409, than apply into the LCM equation.
GCF(8404,8409) = 1
LCM(8404,8409) = ( 8404 × 8409) / 1
LCM(8404,8409) = 70669236 / 1
LCM(8404,8409) = 70669236
(i) The LCM of 8409 and 8404 is associative
LCM of 8404 and 8409 = LCM of 8409 and 8404
1. What is the LCM of 8404 and 8409?
Answer: LCM of 8404 and 8409 is 70669236.
2. What are the Factors of 8404?
Answer: Factors of 8404 are 1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404. There are 12 integers that are factors of 8404. The greatest factor of 8404 is 8404.
3. What are the Factors of 8409?
Answer: Factors of 8409 are 1, 3, 2803, 8409. There are 4 integers that are factors of 8409. The greatest factor of 8409 is 8409.
4. How to Find the LCM of 8404 and 8409?
Answer:
Least Common Multiple of 8404 and 8409 = 70669236
Step 1: Find the prime factorization of 8404
8404 = 2 x 2 x 11 x 191
Step 2: Find the prime factorization of 8409
8409 = 3 x 2803
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 70669236 = 2 x 2 x 3 x 11 x 191 x 2803
Step 4: Therefore, the least common multiple of 8404 and 8409 is 70669236.