Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6404 and 6408 the smallest integer that is 10259208 that is divisible by both numbers.
Least Common Multiple (LCM) of 6404 and 6408 is 10259208.
LCM(6404,6408) = 10259208
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 6404 and 6408. First we will calculate the prime factors of 6404 and 6408.
Prime Factorization of 6404
2 | 6404 |
2 | 3202 |
1601 | 1601 |
1 |
Prime factors of 6404 are 2,1601. Prime factorization of 6404 in exponential form is:
6404 = 22×16011
Prime Factorization of 6408
2 | 6408 |
2 | 3204 |
2 | 1602 |
3 | 801 |
3 | 267 |
89 | 89 |
1 |
Prime factors of 6408 are 2, 3,89. Prime factorization of 6408 in exponential form is:
6408 = 23×32×891
Now multiplying the highest exponent prime factors to calculate the LCM of 6404 and 6408.
LCM(6404,6408) = 23×32×891×16011
LCM(6404,6408) = 10259208
Factors of 6404
List of positive integer factors of 6404 that divides 6404 without a remainder.
1, 2, 4, 1601, 3202, 6404
Factors of 6408
List of positive integer factors of 6408 that divides 6408 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 6408
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6404 and 6408, than apply into the LCM equation.
GCF(6404,6408) = 4
LCM(6404,6408) = ( 6404 × 6408) / 4
LCM(6404,6408) = 41036832 / 4
LCM(6404,6408) = 10259208
(i) The LCM of 6408 and 6404 is associative
LCM of 6404 and 6408 = LCM of 6408 and 6404
1. What is the LCM of 6404 and 6408?
Answer: LCM of 6404 and 6408 is 10259208.
2. What are the Factors of 6404?
Answer: Factors of 6404 are 1, 2, 4, 1601, 3202, 6404. There are 6 integers that are factors of 6404. The greatest factor of 6404 is 6404.
3. What are the Factors of 6408?
Answer: Factors of 6408 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 6408. There are 24 integers that are factors of 6408. The greatest factor of 6408 is 6408.
4. How to Find the LCM of 6404 and 6408?
Answer:
Least Common Multiple of 6404 and 6408 = 10259208
Step 1: Find the prime factorization of 6404
6404 = 2 x 2 x 1601
Step 2: Find the prime factorization of 6408
6408 = 2 x 2 x 2 x 3 x 3 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10259208 = 2 x 2 x 2 x 3 x 3 x 89 x 1601
Step 4: Therefore, the least common multiple of 6404 and 6408 is 10259208.