Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5636 and 5643 the smallest integer that is 31803948 that is divisible by both numbers.
Least Common Multiple (LCM) of 5636 and 5643 is 31803948.
LCM(5636,5643) = 31803948
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 5636 and 5643. First we will calculate the prime factors of 5636 and 5643.
Prime Factorization of 5636
2 | 5636 |
2 | 2818 |
1409 | 1409 |
1 |
Prime factors of 5636 are 2,1409. Prime factorization of 5636 in exponential form is:
5636 = 22×14091
Prime Factorization of 5643
3 | 5643 |
3 | 1881 |
3 | 627 |
11 | 209 |
19 | 19 |
1 |
Prime factors of 5643 are 3, 11,19. Prime factorization of 5643 in exponential form is:
5643 = 33×111×191
Now multiplying the highest exponent prime factors to calculate the LCM of 5636 and 5643.
LCM(5636,5643) = 22×33×111×191×14091
LCM(5636,5643) = 31803948
Factors of 5636
List of positive integer factors of 5636 that divides 5636 without a remainder.
1, 2, 4, 1409, 2818, 5636
Factors of 5643
List of positive integer factors of 5643 that divides 5643 without a remainder.
1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5636 and 5643, than apply into the LCM equation.
GCF(5636,5643) = 1
LCM(5636,5643) = ( 5636 × 5643) / 1
LCM(5636,5643) = 31803948 / 1
LCM(5636,5643) = 31803948
(i) The LCM of 5643 and 5636 is associative
LCM of 5636 and 5643 = LCM of 5643 and 5636
1. What is the LCM of 5636 and 5643?
Answer: LCM of 5636 and 5643 is 31803948.
2. What are the Factors of 5636?
Answer: Factors of 5636 are 1, 2, 4, 1409, 2818, 5636. There are 6 integers that are factors of 5636. The greatest factor of 5636 is 5636.
3. What are the Factors of 5643?
Answer: Factors of 5643 are 1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643. There are 16 integers that are factors of 5643. The greatest factor of 5643 is 5643.
4. How to Find the LCM of 5636 and 5643?
Answer:
Least Common Multiple of 5636 and 5643 = 31803948
Step 1: Find the prime factorization of 5636
5636 = 2 x 2 x 1409
Step 2: Find the prime factorization of 5643
5643 = 3 x 3 x 3 x 11 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 = 31803948 = 2 x 2 x 3 x 3 x 3 x 11 x 19 x 1409
Step 4: Therefore, the least common multiple of 5636 and 5643 is 31803948.