Least Common Multiple of 1943 and 1946

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1943 and 1946 the smallest integer that is 3781078 that is divisible by both numbers.

Least Common Multiple (LCM) of 1943 and 1946 is 3781078.

LCM(1943,1946) = 3781078

LCM of 1943 and 1946

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

LCM of:
and

Least Common Multiple of 1943 and 1946

LCM of 1943 and 1946 is 3781078

Least common multiple can be found by multiplying the highest exponent prime factors of 1943 and 1946. First we will calculate the prime factors of 1943 and 1946.

Prime Factorization of 1943


29 1943
67 67
1

Prime factors of 1943 are 29,67. Prime factorization of 1943 in exponential form is:

1943 = 291×671

Prime Factorization of 1946


2 1946
7 973
139 139
1

Prime factors of 1946 are 2, 7,139. Prime factorization of 1946 in exponential form is:

1946 = 21×71×1391

Now multiplying the highest exponent prime factors to calculate the LCM of 1943 and 1946.

LCM(1943,1946) = 21×71×291×671×1391
LCM(1943,1946) = 3781078

Factors of 1943

List of positive integer factors of 1943 that divides 1943 without a remainder.

1, 29, 67, 1943

Factors of 1946

List of positive integer factors of 1946 that divides 1946 without a remainder.

1, 2, 7, 14, 139, 278, 973, 1946

Least Common Multiple of 1943 and 1946 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1943 and 1946, than apply into the LCM equation.

GCF(1943,1946) = 1
LCM(1943,1946) = ( 1943 × 1946) / 1
LCM(1943,1946) = 3781078 / 1
LCM(1943,1946) = 3781078

Properties of LCM 1943 and 1946

(i) The LCM of 1946 and 1943 is associative

LCM of 1943 and 1946 = LCM of 1946 and 1943

Frequently Asked Questions on LCM of 1943 and 1946

1. What is the LCM of 1943 and 1946?

Answer: LCM of 1943 and 1946 is 3781078.

2. What are the Factors of 1943?

Answer: Factors of 1943 are 1, 29, 67, 1943. There are 4 integers that are factors of 1943. The greatest factor of 1943 is 1943.

3. What are the Factors of 1946?

Answer: Factors of 1946 are 1, 2, 7, 14, 139, 278, 973, 1946. There are 8 integers that are factors of 1946. The greatest factor of 1946 is 1946.

4. How to Find the LCM of 1943 and 1946?

Answer:

Least Common Multiple of 1943 and 1946 = 3781078

Step 1: Find the prime factorization of 1943

1943 = 29 x 67

Step 2: Find the prime factorization of 1946

1946 = 2 x 7 x 139

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

LCM = 3781078 = 2 x 7 x 29 x 67 x 139

Step 4: Therefore, the least common multiple of 1943 and 1946 is 3781078.