Least Common Multiple of 1942 and 1947

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1942 and 1947 the smallest integer that is 3781074 that is divisible by both numbers.

Least Common Multiple (LCM) of 1942 and 1947 is 3781074.

LCM(1942,1947) = 3781074

LCM of 1942 and 1947

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

LCM of:
and

Least Common Multiple of 1942 and 1947

LCM of 1942 and 1947 is 3781074

Least common multiple can be found by multiplying the highest exponent prime factors of 1942 and 1947. First we will calculate the prime factors of 1942 and 1947.

Prime Factorization of 1942


2 1942
971 971
1

Prime factors of 1942 are 2,971. Prime factorization of 1942 in exponential form is:

1942 = 21×9711

Prime Factorization of 1947


3 1947
11 649
59 59
1

Prime factors of 1947 are 3, 11,59. Prime factorization of 1947 in exponential form is:

1947 = 31×111×591

Now multiplying the highest exponent prime factors to calculate the LCM of 1942 and 1947.

LCM(1942,1947) = 21×31×111×591×9711
LCM(1942,1947) = 3781074

Factors of 1942

List of positive integer factors of 1942 that divides 1942 without a remainder.

1, 2, 971, 1942

Factors of 1947

List of positive integer factors of 1947 that divides 1947 without a remainder.

1, 3, 11, 33, 59, 177, 649, 1947

Least Common Multiple of 1942 and 1947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1942 and 1947, than apply into the LCM equation.

GCF(1942,1947) = 1
LCM(1942,1947) = ( 1942 × 1947) / 1
LCM(1942,1947) = 3781074 / 1
LCM(1942,1947) = 3781074

Properties of LCM 1942 and 1947

(i) The LCM of 1947 and 1942 is associative

LCM of 1942 and 1947 = LCM of 1947 and 1942

Frequently Asked Questions on LCM of 1942 and 1947

1. What is the LCM of 1942 and 1947?

Answer: LCM of 1942 and 1947 is 3781074.

2. What are the Factors of 1942?

Answer: Factors of 1942 are 1, 2, 971, 1942. There are 4 integers that are factors of 1942. The greatest factor of 1942 is 1942.

3. What are the Factors of 1947?

Answer: Factors of 1947 are 1, 3, 11, 33, 59, 177, 649, 1947. There are 8 integers that are factors of 1947. The greatest factor of 1947 is 1947.

4. How to Find the LCM of 1942 and 1947?

Answer:

Least Common Multiple of 1942 and 1947 = 3781074

Step 1: Find the prime factorization of 1942

1942 = 2 x 971

Step 2: Find the prime factorization of 1947

1947 = 3 x 11 x 59

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

LCM = 3781074 = 2 x 3 x 11 x 59 x 971

Step 4: Therefore, the least common multiple of 1942 and 1947 is 3781074.