Least Common Multiple of 40013 and 40021

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 40013 and 40021 the smallest integer that is 1601360273 that is divisible by both numbers.

Least Common Multiple (LCM) of 40013 and 40021 is 1601360273.

LCM(40013,40021) = 1601360273

LCM of 40013 and 40021

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

LCM of:
and

Least Common Multiple of 40013 and 40021

LCM of 40013 and 40021 is 1601360273

Least common multiple can be found by multiplying the highest exponent prime factors of 40013 and 40021. First we will calculate the prime factors of 40013 and 40021.

Prime Factorization of 40013


40013 40013
1

Prime factors of 40013 are 40013. Prime factorization of 40013 in exponential form is:

40013 = 400131

Prime Factorization of 40021


31 40021
1291 1291
1

Prime factors of 40021 are 31,1291. Prime factorization of 40021 in exponential form is:

40021 = 311×12911

Now multiplying the highest exponent prime factors to calculate the LCM of 40013 and 40021.

LCM(40013,40021) = 311×12911×400131
LCM(40013,40021) = 1601360273

Factors of 40013

List of positive integer factors of 40013 that divides 40013 without a remainder.

1, 40013

Factors of 40021

List of positive integer factors of 40021 that divides 40021 without a remainder.

1, 31, 1291, 40021

Least Common Multiple of 40013 and 40021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40013 and 40021, than apply into the LCM equation.

GCF(40013,40021) = 1
LCM(40013,40021) = ( 40013 × 40021) / 1
LCM(40013,40021) = 1601360273 / 1
LCM(40013,40021) = 1601360273

Properties of LCM 40013 and 40021

(i) The LCM of 40021 and 40013 is associative

LCM of 40013 and 40021 = LCM of 40021 and 40013

Frequently Asked Questions on LCM of 40013 and 40021

1. What is the LCM of 40013 and 40021?

Answer: LCM of 40013 and 40021 is 1601360273.

2. What are the Factors of 40013?

Answer: Factors of 40013 are 1, 40013. There are 2 integers that are factors of 40013. The greatest factor of 40013 is 40013.

3. What are the Factors of 40021?

Answer: Factors of 40021 are 1, 31, 1291, 40021. There are 4 integers that are factors of 40021. The greatest factor of 40021 is 40021.

4. How to Find the LCM of 40013 and 40021?

Answer:

Least Common Multiple of 40013 and 40021 = 1601360273

Step 1: Find the prime factorization of 40013

40013 = 40013

Step 2: Find the prime factorization of 40021

40021 = 31 x 1291

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

LCM = 1601360273 = 31 x 1291 x 40013

Step 4: Therefore, the least common multiple of 40013 and 40021 is 1601360273.