Least Common Multiple of 605 and 609

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 605 and 609 the smallest integer that is 368445 that is divisible by both numbers.

Least Common Multiple (LCM) of 605 and 609 is 368445.

LCM(605,609) = 368445

LCM of 605 and 609

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 605 and 609

LCM of 605 and 609 is 368445

Least common multiple can be found by multiplying the highest exponent prime factors of 605 and 609. First we will calculate the prime factors of 605 and 609.

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

Prime Factorization of 609


3 609
7 203
29 29
1

Prime factors of 609 are 3, 7,29. Prime factorization of 609 in exponential form is:

609 = 31×71×291

Now multiplying the highest exponent prime factors to calculate the LCM of 605 and 609.

LCM(605,609) = 31×51×71×112×291
LCM(605,609) = 368445

Factors of 605

List of positive integer factors of 605 that divides 605 without a remainder.

1, 5, 11, 55, 121, 605

Factors of 609

List of positive integer factors of 609 that divides 609 without a remainder.

1, 3, 7, 21, 29, 87, 203, 609

Least Common Multiple of 605 and 609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 605 and 609, than apply into the LCM equation.

GCF(605,609) = 1
LCM(605,609) = ( 605 × 609) / 1
LCM(605,609) = 368445 / 1
LCM(605,609) = 368445

Properties of LCM 605 and 609

(i) The LCM of 609 and 605 is associative

LCM of 605 and 609 = LCM of 609 and 605

Frequently Asked Questions on LCM of 605 and 609

1. What is the LCM of 605 and 609?

Answer: LCM of 605 and 609 is 368445.

2. 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.

3. What are the Factors of 609?

Answer: Factors of 609 are 1, 3, 7, 21, 29, 87, 203, 609. There are 8 integers that are factors of 609. The greatest factor of 609 is 609.

4. How to Find the LCM of 605 and 609?

Answer:

Least Common Multiple of 605 and 609 = 368445

Step 1: Find the prime factorization of 605

605 = 5 x 11 x 11

Step 2: Find the prime factorization of 609

609 = 3 x 7 x 29

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 368445 = 3 x 5 x 7 x 11 x 11 x 29

Step 4: Therefore, the least common multiple of 605 and 609 is 368445.