Least Common Multiple of 2017 and 2021

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 2017 and 2021 the smallest integer that is 4076357 that is divisible by both numbers.

Least Common Multiple (LCM) of 2017 and 2021 is 4076357.

LCM(2017,2021) = 4076357

LCM of 2017 and 2021

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

LCM of:
and

Least Common Multiple of 2017 and 2021

LCM of 2017 and 2021 is 4076357

Least common multiple can be found by multiplying the highest exponent prime factors of 2017 and 2021. First we will calculate the prime factors of 2017 and 2021.

Prime Factorization of 2017


2017 2017
1

Prime factors of 2017 are 2017. Prime factorization of 2017 in exponential form is:

2017 = 20171

Prime Factorization of 2021


43 2021
47 47
1

Prime factors of 2021 are 43,47. Prime factorization of 2021 in exponential form is:

2021 = 431×471

Now multiplying the highest exponent prime factors to calculate the LCM of 2017 and 2021.

LCM(2017,2021) = 431×471×20171
LCM(2017,2021) = 4076357

Factors of 2017

List of positive integer factors of 2017 that divides 2017 without a remainder.

1, 2017

Factors of 2021

List of positive integer factors of 2021 that divides 2021 without a remainder.

1, 43, 47, 2021

Least Common Multiple of 2017 and 2021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2017 and 2021, than apply into the LCM equation.

GCF(2017,2021) = 1
LCM(2017,2021) = ( 2017 × 2021) / 1
LCM(2017,2021) = 4076357 / 1
LCM(2017,2021) = 4076357

Properties of LCM 2017 and 2021

(i) The LCM of 2021 and 2017 is associative

LCM of 2017 and 2021 = LCM of 2021 and 2017

Frequently Asked Questions on LCM of 2017 and 2021

1. What is the LCM of 2017 and 2021?

Answer: LCM of 2017 and 2021 is 4076357.

2. What are the Factors of 2017?

Answer: Factors of 2017 are 1, 2017. There are 2 integers that are factors of 2017. The greatest factor of 2017 is 2017.

3. What are the Factors of 2021?

Answer: Factors of 2021 are 1, 43, 47, 2021. There are 4 integers that are factors of 2021. The greatest factor of 2021 is 2021.

4. How to Find the LCM of 2017 and 2021?

Answer:

Least Common Multiple of 2017 and 2021 = 4076357

Step 1: Find the prime factorization of 2017

2017 = 2017

Step 2: Find the prime factorization of 2021

2021 = 43 x 47

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

LCM = 4076357 = 43 x 47 x 2017

Step 4: Therefore, the least common multiple of 2017 and 2021 is 4076357.