Least Common Multiple of 1921 and 1924

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1921 and 1924 the smallest integer that is 3696004 that is divisible by both numbers.

Least Common Multiple (LCM) of 1921 and 1924 is 3696004.

LCM(1921,1924) = 3696004

LCM of 1921 and 1924

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

LCM of:
and

Least Common Multiple of 1921 and 1924

LCM of 1921 and 1924 is 3696004

Least common multiple can be found by multiplying the highest exponent prime factors of 1921 and 1924. First we will calculate the prime factors of 1921 and 1924.

Prime Factorization of 1921


17 1921
113 113
1

Prime factors of 1921 are 17,113. Prime factorization of 1921 in exponential form is:

1921 = 171×1131

Prime Factorization of 1924


2 1924
2 962
13 481
37 37
1

Prime factors of 1924 are 2, 13,37. Prime factorization of 1924 in exponential form is:

1924 = 22×131×371

Now multiplying the highest exponent prime factors to calculate the LCM of 1921 and 1924.

LCM(1921,1924) = 22×131×171×371×1131
LCM(1921,1924) = 3696004

Factors of 1921

List of positive integer factors of 1921 that divides 1921 without a remainder.

1, 17, 113, 1921

Factors of 1924

List of positive integer factors of 1924 that divides 1924 without a remainder.

1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924

Least Common Multiple of 1921 and 1924 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1921 and 1924, than apply into the LCM equation.

GCF(1921,1924) = 1
LCM(1921,1924) = ( 1921 × 1924) / 1
LCM(1921,1924) = 3696004 / 1
LCM(1921,1924) = 3696004

Properties of LCM 1921 and 1924

(i) The LCM of 1924 and 1921 is associative

LCM of 1921 and 1924 = LCM of 1924 and 1921

Frequently Asked Questions on LCM of 1921 and 1924

1. What is the LCM of 1921 and 1924?

Answer: LCM of 1921 and 1924 is 3696004.

2. What are the Factors of 1921?

Answer: Factors of 1921 are 1, 17, 113, 1921. There are 4 integers that are factors of 1921. The greatest factor of 1921 is 1921.

3. What are the Factors of 1924?

Answer: Factors of 1924 are 1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924. There are 12 integers that are factors of 1924. The greatest factor of 1924 is 1924.

4. How to Find the LCM of 1921 and 1924?

Answer:

Least Common Multiple of 1921 and 1924 = 3696004

Step 1: Find the prime factorization of 1921

1921 = 17 x 113

Step 2: Find the prime factorization of 1924

1924 = 2 x 2 x 13 x 37

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

LCM = 3696004 = 2 x 2 x 13 x 17 x 37 x 113

Step 4: Therefore, the least common multiple of 1921 and 1924 is 3696004.