Least Common Multiple of 1001 and 1004

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 1001 and 1004 the smallest integer that is 1005004 that is divisible by both numbers.

Least Common Multiple (LCM) of 1001 and 1004 is 1005004.

LCM(1001,1004) = 1005004

LCM of 1001 and 1004

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

LCM of:
and

Least Common Multiple of 1001 and 1004

LCM of 1001 and 1004 is 1005004

Least common multiple can be found by multiplying the highest exponent prime factors of 1001 and 1004. First we will calculate the prime factors of 1001 and 1004.

Prime Factorization of 1001


7 1001
11 143
13 13
1

Prime factors of 1001 are 7, 11,13. Prime factorization of 1001 in exponential form is:

1001 = 71×111×131

Prime Factorization of 1004


2 1004
2 502
251 251
1

Prime factors of 1004 are 2,251. Prime factorization of 1004 in exponential form is:

1004 = 22×2511

Now multiplying the highest exponent prime factors to calculate the LCM of 1001 and 1004.

LCM(1001,1004) = 22×71×111×131×2511
LCM(1001,1004) = 1005004

Factors of 1001

List of positive integer factors of 1001 that divides 1001 without a remainder.

1, 7, 11, 13, 77, 91, 143, 1001

Factors of 1004

List of positive integer factors of 1004 that divides 1004 without a remainder.

1, 2, 4, 251, 502, 1004

Least Common Multiple of 1001 and 1004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1001 and 1004, than apply into the LCM equation.

GCF(1001,1004) = 1
LCM(1001,1004) = ( 1001 × 1004) / 1
LCM(1001,1004) = 1005004 / 1
LCM(1001,1004) = 1005004

Properties of LCM 1001 and 1004

(i) The LCM of 1004 and 1001 is associative

LCM of 1001 and 1004 = LCM of 1004 and 1001

Related Least Common Multiples of 1001

Related Least Common Multiples of 1004

Frequently Asked Questions on LCM of 1001 and 1004

1. What is the LCM of 1001 and 1004?

Answer: LCM of 1001 and 1004 is 1005004.

2. What are the Factors of 1001?

Answer: Factors of 1001 are 1, 7, 11, 13, 77, 91, 143, 1001. There are 8 integers that are factors of 1001. The greatest factor of 1001 is 1001.

3. What are the Factors of 1004?

Answer: Factors of 1004 are 1, 2, 4, 251, 502, 1004. There are 6 integers that are factors of 1004. The greatest factor of 1004 is 1004.

4. How to Find the LCM of 1001 and 1004?

Answer:

Least Common Multiple of 1001 and 1004 = 1005004

Step 1: Find the prime factorization of 1001

1001 = 7 x 11 x 13

Step 2: Find the prime factorization of 1004

1004 = 2 x 2 x 251

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

LCM = 1005004 = 2 x 2 x 7 x 11 x 13 x 251

Step 4: Therefore, the least common multiple of 1001 and 1004 is 1005004.