Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 604 and 605 the smallest integer that is 365420 that is divisible by both numbers.
Least Common Multiple (LCM) of 604 and 605 is 365420.
LCM(604,605) = 365420
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 604 and 605. First we will calculate the prime factors of 604 and 605.
Prime Factorization of 604
2 | 604 |
2 | 302 |
151 | 151 |
1 |
Prime factors of 604 are 2,151. Prime factorization of 604 in exponential form is:
604 = 22×1511
Prime Factorization of 605
5 | 605 |
11 | 121 |
11 | 11 |
1 |
Prime factors of 605 are 5,11. Prime factorization of 605 in exponential form is:
605 = 51×112
Now multiplying the highest exponent prime factors to calculate the LCM of 604 and 605.
LCM(604,605) = 22×51×112×1511
LCM(604,605) = 365420
Factors of 604
List of positive integer factors of 604 that divides 604 without a remainder.
1, 2, 4, 151, 302, 604
Factors of 605
List of positive integer factors of 605 that divides 605 without a remainder.
1, 5, 11, 55, 121, 605
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 604 and 605, than apply into the LCM equation.
GCF(604,605) = 1
LCM(604,605) = ( 604 × 605) / 1
LCM(604,605) = 365420 / 1
LCM(604,605) = 365420
(i) The LCM of 605 and 604 is associative
LCM of 604 and 605 = LCM of 605 and 604
1. What is the LCM of 604 and 605?
Answer: LCM of 604 and 605 is 365420.
2. What are the Factors of 604?
Answer: Factors of 604 are 1, 2, 4, 151, 302, 604. There are 6 integers that are factors of 604. The greatest factor of 604 is 604.
3. What are the Factors of 605?
Answer: Factors of 605 are 1, 5, 11, 55, 121, 605. There are 6 integers that are factors of 605. The greatest factor of 605 is 605.
4. How to Find the LCM of 604 and 605?
Answer:
Least Common Multiple of 604 and 605 = 365420
Step 1: Find the prime factorization of 604
604 = 2 x 2 x 151
Step 2: Find the prime factorization of 605
605 = 5 x 11 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 365420 = 2 x 2 x 5 x 11 x 11 x 151
Step 4: Therefore, the least common multiple of 604 and 605 is 365420.