Least Common Multiple of 1203 and 1205

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1203 and 1205 the smallest integer that is 1449615 that is divisible by both numbers.

Least Common Multiple (LCM) of 1203 and 1205 is 1449615.

LCM(1203,1205) = 1449615

LCM of 1203 and 1205

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

LCM of:
and

Least Common Multiple of 1203 and 1205

LCM of 1203 and 1205 is 1449615

Least common multiple can be found by multiplying the highest exponent prime factors of 1203 and 1205. First we will calculate the prime factors of 1203 and 1205.

Prime Factorization of 1203


3 1203
401 401
1

Prime factors of 1203 are 3,401. Prime factorization of 1203 in exponential form is:

1203 = 31×4011

Prime Factorization of 1205


5 1205
241 241
1

Prime factors of 1205 are 5,241. Prime factorization of 1205 in exponential form is:

1205 = 51×2411

Now multiplying the highest exponent prime factors to calculate the LCM of 1203 and 1205.

LCM(1203,1205) = 31×51×2411×4011
LCM(1203,1205) = 1449615

Factors of 1203

List of positive integer factors of 1203 that divides 1203 without a remainder.

1, 3, 401, 1203

Factors of 1205

List of positive integer factors of 1205 that divides 1205 without a remainder.

1, 5, 241, 1205

Least Common Multiple of 1203 and 1205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1203 and 1205, than apply into the LCM equation.

GCF(1203,1205) = 1
LCM(1203,1205) = ( 1203 × 1205) / 1
LCM(1203,1205) = 1449615 / 1
LCM(1203,1205) = 1449615

Properties of LCM 1203 and 1205

(i) The LCM of 1205 and 1203 is associative

LCM of 1203 and 1205 = LCM of 1205 and 1203

Frequently Asked Questions on LCM of 1203 and 1205

1. What is the LCM of 1203 and 1205?

Answer: LCM of 1203 and 1205 is 1449615.

2. What are the Factors of 1203?

Answer: Factors of 1203 are 1, 3, 401, 1203. There are 4 integers that are factors of 1203. The greatest factor of 1203 is 1203.

3. What are the Factors of 1205?

Answer: Factors of 1205 are 1, 5, 241, 1205. There are 4 integers that are factors of 1205. The greatest factor of 1205 is 1205.

4. How to Find the LCM of 1203 and 1205?

Answer:

Least Common Multiple of 1203 and 1205 = 1449615

Step 1: Find the prime factorization of 1203

1203 = 3 x 401

Step 2: Find the prime factorization of 1205

1205 = 5 x 241

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

LCM = 1449615 = 3 x 5 x 241 x 401

Step 4: Therefore, the least common multiple of 1203 and 1205 is 1449615.