Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 404 and 406 the smallest integer that is 82012 that is divisible by both numbers.
Least Common Multiple (LCM) of 404 and 406 is 82012.
LCM(404,406) = 82012
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 404 and 406. First we will calculate the prime factors of 404 and 406.
Prime Factorization of 404
2 | 404 |
2 | 202 |
101 | 101 |
1 |
Prime factors of 404 are 2,101. Prime factorization of 404 in exponential form is:
404 = 22×1011
Prime Factorization of 406
2 | 406 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 406 are 2, 7,29. Prime factorization of 406 in exponential form is:
406 = 21×71×291
Now multiplying the highest exponent prime factors to calculate the LCM of 404 and 406.
LCM(404,406) = 22×71×291×1011
LCM(404,406) = 82012
Factors of 404
List of positive integer factors of 404 that divides 404 without a remainder.
1, 2, 4, 101, 202, 404
Factors of 406
List of positive integer factors of 406 that divides 406 without a remainder.
1, 2, 7, 14, 29, 58, 203, 406
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 404 and 406, than apply into the LCM equation.
GCF(404,406) = 2
LCM(404,406) = ( 404 × 406) / 2
LCM(404,406) = 164024 / 2
LCM(404,406) = 82012
(i) The LCM of 406 and 404 is associative
LCM of 404 and 406 = LCM of 406 and 404
1. What is the LCM of 404 and 406?
Answer: LCM of 404 and 406 is 82012.
2. What are the Factors of 404?
Answer: Factors of 404 are 1, 2, 4, 101, 202, 404. There are 6 integers that are factors of 404. The greatest factor of 404 is 404.
3. What are the Factors of 406?
Answer: Factors of 406 are 1, 2, 7, 14, 29, 58, 203, 406. There are 8 integers that are factors of 406. The greatest factor of 406 is 406.
4. How to Find the LCM of 404 and 406?
Answer:
Least Common Multiple of 404 and 406 = 82012
Step 1: Find the prime factorization of 404
404 = 2 x 2 x 101
Step 2: Find the prime factorization of 406
406 = 2 x 7 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 82012 = 2 x 2 x 7 x 29 x 101
Step 4: Therefore, the least common multiple of 404 and 406 is 82012.