Least Common Multiple of 1940 and 1941

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 1940 and 1941 the smallest integer that is 3765540 that is divisible by both numbers.

Least Common Multiple (LCM) of 1940 and 1941 is 3765540.

LCM(1940,1941) = 3765540

LCM of 1940 and 1941

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

LCM of:
and

Least Common Multiple of 1940 and 1941

LCM of 1940 and 1941 is 3765540

Least common multiple can be found by multiplying the highest exponent prime factors of 1940 and 1941. First we will calculate the prime factors of 1940 and 1941.

Prime Factorization of 1940


2 1940
2 970
5 485
97 97
1

Prime factors of 1940 are 2, 5,97. Prime factorization of 1940 in exponential form is:

1940 = 22×51×971

Prime Factorization of 1941


3 1941
647 647
1

Prime factors of 1941 are 3,647. Prime factorization of 1941 in exponential form is:

1941 = 31×6471

Now multiplying the highest exponent prime factors to calculate the LCM of 1940 and 1941.

LCM(1940,1941) = 22×31×51×971×6471
LCM(1940,1941) = 3765540

Factors of 1940

List of positive integer factors of 1940 that divides 1940 without a remainder.

1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940

Factors of 1941

List of positive integer factors of 1941 that divides 1941 without a remainder.

1, 3, 647, 1941

Least Common Multiple of 1940 and 1941 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1940 and 1941, than apply into the LCM equation.

GCF(1940,1941) = 1
LCM(1940,1941) = ( 1940 × 1941) / 1
LCM(1940,1941) = 3765540 / 1
LCM(1940,1941) = 3765540

Properties of LCM 1940 and 1941

(i) The LCM of 1941 and 1940 is associative

LCM of 1940 and 1941 = LCM of 1941 and 1940

Related Least Common Multiples of 1940

Related Least Common Multiples of 1941

Frequently Asked Questions on LCM of 1940 and 1941

1. What is the LCM of 1940 and 1941?

Answer: LCM of 1940 and 1941 is 3765540.

2. What are the Factors of 1940?

Answer: Factors of 1940 are 1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940. There are 12 integers that are factors of 1940. The greatest factor of 1940 is 1940.

3. What are the Factors of 1941?

Answer: Factors of 1941 are 1, 3, 647, 1941. There are 4 integers that are factors of 1941. The greatest factor of 1941 is 1941.

4. How to Find the LCM of 1940 and 1941?

Answer:

Least Common Multiple of 1940 and 1941 = 3765540

Step 1: Find the prime factorization of 1940

1940 = 2 x 2 x 5 x 97

Step 2: Find the prime factorization of 1941

1941 = 3 x 647

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

LCM = 3765540 = 2 x 2 x 3 x 5 x 97 x 647

Step 4: Therefore, the least common multiple of 1940 and 1941 is 3765540.