Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3643 and 3648 the smallest integer that is 13289664 that is divisible by both numbers.
Least Common Multiple (LCM) of 3643 and 3648 is 13289664.
LCM(3643,3648) = 13289664
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 3643 and 3648. First we will calculate the prime factors of 3643 and 3648.
Prime Factorization of 3643
3643 | 3643 |
1 |
Prime factors of 3643 are 3643. Prime factorization of 3643 in exponential form is:
3643 = 36431
Prime Factorization of 3648
2 | 3648 |
2 | 1824 |
2 | 912 |
2 | 456 |
2 | 228 |
2 | 114 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 3648 are 2, 3,19. Prime factorization of 3648 in exponential form is:
3648 = 26×31×191
Now multiplying the highest exponent prime factors to calculate the LCM of 3643 and 3648.
LCM(3643,3648) = 26×31×191×36431
LCM(3643,3648) = 13289664
Factors of 3643
List of positive integer factors of 3643 that divides 3643 without a remainder.
1, 3643
Factors of 3648
List of positive integer factors of 3648 that divides 3648 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 152, 192, 228, 304, 456, 608, 912, 1216, 1824, 3648
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3643 and 3648, than apply into the LCM equation.
GCF(3643,3648) = 1
LCM(3643,3648) = ( 3643 × 3648) / 1
LCM(3643,3648) = 13289664 / 1
LCM(3643,3648) = 13289664
(i) The LCM of 3648 and 3643 is associative
LCM of 3643 and 3648 = LCM of 3648 and 3643
1. What is the LCM of 3643 and 3648?
Answer: LCM of 3643 and 3648 is 13289664.
2. What are the Factors of 3643?
Answer: Factors of 3643 are 1, 3643. There are 2 integers that are factors of 3643. The greatest factor of 3643 is 3643.
3. What are the Factors of 3648?
Answer: Factors of 3648 are 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 152, 192, 228, 304, 456, 608, 912, 1216, 1824, 3648. There are 28 integers that are factors of 3648. The greatest factor of 3648 is 3648.
4. How to Find the LCM of 3643 and 3648?
Answer:
Least Common Multiple of 3643 and 3648 = 13289664
Step 1: Find the prime factorization of 3643
3643 = 3643
Step 2: Find the prime factorization of 3648
3648 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13289664 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 19 x 3643
Step 4: Therefore, the least common multiple of 3643 and 3648 is 13289664.