Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6401 and 6406 the smallest integer that is 41004806 that is divisible by both numbers.
Least Common Multiple (LCM) of 6401 and 6406 is 41004806.
LCM(6401,6406) = 41004806
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 6401 and 6406. First we will calculate the prime factors of 6401 and 6406.
Prime Factorization of 6401
37 | 6401 |
173 | 173 |
1 |
Prime factors of 6401 are 37,173. Prime factorization of 6401 in exponential form is:
6401 = 371×1731
Prime Factorization of 6406
2 | 6406 |
3203 | 3203 |
1 |
Prime factors of 6406 are 2,3203. Prime factorization of 6406 in exponential form is:
6406 = 21×32031
Now multiplying the highest exponent prime factors to calculate the LCM of 6401 and 6406.
LCM(6401,6406) = 21×371×1731×32031
LCM(6401,6406) = 41004806
Factors of 6401
List of positive integer factors of 6401 that divides 6401 without a remainder.
1, 37, 173, 6401
Factors of 6406
List of positive integer factors of 6406 that divides 6406 without a remainder.
1, 2, 3203, 6406
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6401 and 6406, than apply into the LCM equation.
GCF(6401,6406) = 1
LCM(6401,6406) = ( 6401 × 6406) / 1
LCM(6401,6406) = 41004806 / 1
LCM(6401,6406) = 41004806
(i) The LCM of 6406 and 6401 is associative
LCM of 6401 and 6406 = LCM of 6406 and 6401
1. What is the LCM of 6401 and 6406?
Answer: LCM of 6401 and 6406 is 41004806.
2. What are the Factors of 6401?
Answer: Factors of 6401 are 1, 37, 173, 6401. There are 4 integers that are factors of 6401. The greatest factor of 6401 is 6401.
3. What are the Factors of 6406?
Answer: Factors of 6406 are 1, 2, 3203, 6406. There are 4 integers that are factors of 6406. The greatest factor of 6406 is 6406.
4. How to Find the LCM of 6401 and 6406?
Answer:
Least Common Multiple of 6401 and 6406 = 41004806
Step 1: Find the prime factorization of 6401
6401 = 37 x 173
Step 2: Find the prime factorization of 6406
6406 = 2 x 3203
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 41004806 = 2 x 37 x 173 x 3203
Step 4: Therefore, the least common multiple of 6401 and 6406 is 41004806.