Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3605 and 3608 the smallest integer that is 13006840 that is divisible by both numbers.
Least Common Multiple (LCM) of 3605 and 3608 is 13006840.
LCM(3605,3608) = 13006840
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 3605 and 3608. First we will calculate the prime factors of 3605 and 3608.
Prime Factorization of 3605
5 | 3605 |
7 | 721 |
103 | 103 |
1 |
Prime factors of 3605 are 5, 7,103. Prime factorization of 3605 in exponential form is:
3605 = 51×71×1031
Prime Factorization of 3608
2 | 3608 |
2 | 1804 |
2 | 902 |
11 | 451 |
41 | 41 |
1 |
Prime factors of 3608 are 2, 11,41. Prime factorization of 3608 in exponential form is:
3608 = 23×111×411
Now multiplying the highest exponent prime factors to calculate the LCM of 3605 and 3608.
LCM(3605,3608) = 23×51×71×111×411×1031
LCM(3605,3608) = 13006840
Factors of 3605
List of positive integer factors of 3605 that divides 3605 without a remainder.
1, 5, 7, 35, 103, 515, 721, 3605
Factors of 3608
List of positive integer factors of 3608 that divides 3608 without a remainder.
1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3605 and 3608, than apply into the LCM equation.
GCF(3605,3608) = 1
LCM(3605,3608) = ( 3605 × 3608) / 1
LCM(3605,3608) = 13006840 / 1
LCM(3605,3608) = 13006840
(i) The LCM of 3608 and 3605 is associative
LCM of 3605 and 3608 = LCM of 3608 and 3605
1. What is the LCM of 3605 and 3608?
Answer: LCM of 3605 and 3608 is 13006840.
2. What are the Factors of 3605?
Answer: Factors of 3605 are 1, 5, 7, 35, 103, 515, 721, 3605. There are 8 integers that are factors of 3605. The greatest factor of 3605 is 3605.
3. What are the Factors of 3608?
Answer: Factors of 3608 are 1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608. There are 16 integers that are factors of 3608. The greatest factor of 3608 is 3608.
4. How to Find the LCM of 3605 and 3608?
Answer:
Least Common Multiple of 3605 and 3608 = 13006840
Step 1: Find the prime factorization of 3605
3605 = 5 x 7 x 103
Step 2: Find the prime factorization of 3608
3608 = 2 x 2 x 2 x 11 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13006840 = 2 x 2 x 2 x 5 x 7 x 11 x 41 x 103
Step 4: Therefore, the least common multiple of 3605 and 3608 is 13006840.