Least Common Multiple of 1909 and 1915

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1909 and 1915 the smallest integer that is 3655735 that is divisible by both numbers.

Least Common Multiple (LCM) of 1909 and 1915 is 3655735.

LCM(1909,1915) = 3655735

LCM of 1909 and 1915

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

LCM of:
and

Least Common Multiple of 1909 and 1915

LCM of 1909 and 1915 is 3655735

Least common multiple can be found by multiplying the highest exponent prime factors of 1909 and 1915. First we will calculate the prime factors of 1909 and 1915.

Prime Factorization of 1909


23 1909
83 83
1

Prime factors of 1909 are 23,83. Prime factorization of 1909 in exponential form is:

1909 = 231×831

Prime Factorization of 1915


5 1915
383 383
1

Prime factors of 1915 are 5,383. Prime factorization of 1915 in exponential form is:

1915 = 51×3831

Now multiplying the highest exponent prime factors to calculate the LCM of 1909 and 1915.

LCM(1909,1915) = 51×231×831×3831
LCM(1909,1915) = 3655735

Factors of 1909

List of positive integer factors of 1909 that divides 1909 without a remainder.

1, 23, 83, 1909

Factors of 1915

List of positive integer factors of 1915 that divides 1915 without a remainder.

1, 5, 383, 1915

Least Common Multiple of 1909 and 1915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1909 and 1915, than apply into the LCM equation.

GCF(1909,1915) = 1
LCM(1909,1915) = ( 1909 × 1915) / 1
LCM(1909,1915) = 3655735 / 1
LCM(1909,1915) = 3655735

Properties of LCM 1909 and 1915

(i) The LCM of 1915 and 1909 is associative

LCM of 1909 and 1915 = LCM of 1915 and 1909

Frequently Asked Questions on LCM of 1909 and 1915

1. What is the LCM of 1909 and 1915?

Answer: LCM of 1909 and 1915 is 3655735.

2. What are the Factors of 1909?

Answer: Factors of 1909 are 1, 23, 83, 1909. There are 4 integers that are factors of 1909. The greatest factor of 1909 is 1909.

3. What are the Factors of 1915?

Answer: Factors of 1915 are 1, 5, 383, 1915. There are 4 integers that are factors of 1915. The greatest factor of 1915 is 1915.

4. How to Find the LCM of 1909 and 1915?

Answer:

Least Common Multiple of 1909 and 1915 = 3655735

Step 1: Find the prime factorization of 1909

1909 = 23 x 83

Step 2: Find the prime factorization of 1915

1915 = 5 x 383

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

LCM = 3655735 = 5 x 23 x 83 x 383

Step 4: Therefore, the least common multiple of 1909 and 1915 is 3655735.