Least Common Multiple of 1237 and 1245

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1237 and 1245 the smallest integer that is 1540065 that is divisible by both numbers.

Least Common Multiple (LCM) of 1237 and 1245 is 1540065.

LCM(1237,1245) = 1540065

LCM of 1237 and 1245

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

LCM of:
and

Least Common Multiple of 1237 and 1245

LCM of 1237 and 1245 is 1540065

Least common multiple can be found by multiplying the highest exponent prime factors of 1237 and 1245. First we will calculate the prime factors of 1237 and 1245.

Prime Factorization of 1237


1237 1237
1

Prime factors of 1237 are 1237. Prime factorization of 1237 in exponential form is:

1237 = 12371

Prime Factorization of 1245


3 1245
5 415
83 83
1

Prime factors of 1245 are 3, 5,83. Prime factorization of 1245 in exponential form is:

1245 = 31×51×831

Now multiplying the highest exponent prime factors to calculate the LCM of 1237 and 1245.

LCM(1237,1245) = 31×51×831×12371
LCM(1237,1245) = 1540065

Factors of 1237

List of positive integer factors of 1237 that divides 1237 without a remainder.

1, 1237

Factors of 1245

List of positive integer factors of 1245 that divides 1245 without a remainder.

1, 3, 5, 15, 83, 249, 415, 1245

Least Common Multiple of 1237 and 1245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1237 and 1245, than apply into the LCM equation.

GCF(1237,1245) = 1
LCM(1237,1245) = ( 1237 × 1245) / 1
LCM(1237,1245) = 1540065 / 1
LCM(1237,1245) = 1540065

Properties of LCM 1237 and 1245

(i) The LCM of 1245 and 1237 is associative

LCM of 1237 and 1245 = LCM of 1245 and 1237

Frequently Asked Questions on LCM of 1237 and 1245

1. What is the LCM of 1237 and 1245?

Answer: LCM of 1237 and 1245 is 1540065.

2. What are the Factors of 1237?

Answer: Factors of 1237 are 1, 1237. There are 2 integers that are factors of 1237. The greatest factor of 1237 is 1237.

3. What are the Factors of 1245?

Answer: Factors of 1245 are 1, 3, 5, 15, 83, 249, 415, 1245. There are 8 integers that are factors of 1245. The greatest factor of 1245 is 1245.

4. How to Find the LCM of 1237 and 1245?

Answer:

Least Common Multiple of 1237 and 1245 = 1540065

Step 1: Find the prime factorization of 1237

1237 = 1237

Step 2: Find the prime factorization of 1245

1245 = 3 x 5 x 83

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

LCM = 1540065 = 3 x 5 x 83 x 1237

Step 4: Therefore, the least common multiple of 1237 and 1245 is 1540065.