Least Common Multiple of 1543 and 1551

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1543 and 1551 the smallest integer that is 2393193 that is divisible by both numbers.

Least Common Multiple (LCM) of 1543 and 1551 is 2393193.

LCM(1543,1551) = 2393193

LCM of 1543 and 1551

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

LCM of:
and

Least Common Multiple of 1543 and 1551

LCM of 1543 and 1551 is 2393193

Least common multiple can be found by multiplying the highest exponent prime factors of 1543 and 1551. First we will calculate the prime factors of 1543 and 1551.

Prime Factorization of 1543


1543 1543
1

Prime factors of 1543 are 1543. Prime factorization of 1543 in exponential form is:

1543 = 15431

Prime Factorization of 1551


3 1551
11 517
47 47
1

Prime factors of 1551 are 3, 11,47. Prime factorization of 1551 in exponential form is:

1551 = 31×111×471

Now multiplying the highest exponent prime factors to calculate the LCM of 1543 and 1551.

LCM(1543,1551) = 31×111×471×15431
LCM(1543,1551) = 2393193

Factors of 1543

List of positive integer factors of 1543 that divides 1543 without a remainder.

1, 1543

Factors of 1551

List of positive integer factors of 1551 that divides 1551 without a remainder.

1, 3, 11, 33, 47, 141, 517, 1551

Least Common Multiple of 1543 and 1551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1543 and 1551, than apply into the LCM equation.

GCF(1543,1551) = 1
LCM(1543,1551) = ( 1543 × 1551) / 1
LCM(1543,1551) = 2393193 / 1
LCM(1543,1551) = 2393193

Properties of LCM 1543 and 1551

(i) The LCM of 1551 and 1543 is associative

LCM of 1543 and 1551 = LCM of 1551 and 1543

Frequently Asked Questions on LCM of 1543 and 1551

1. What is the LCM of 1543 and 1551?

Answer: LCM of 1543 and 1551 is 2393193.

2. What are the Factors of 1543?

Answer: Factors of 1543 are 1, 1543. There are 2 integers that are factors of 1543. The greatest factor of 1543 is 1543.

3. What are the Factors of 1551?

Answer: Factors of 1551 are 1, 3, 11, 33, 47, 141, 517, 1551. There are 8 integers that are factors of 1551. The greatest factor of 1551 is 1551.

4. How to Find the LCM of 1543 and 1551?

Answer:

Least Common Multiple of 1543 and 1551 = 2393193

Step 1: Find the prime factorization of 1543

1543 = 1543

Step 2: Find the prime factorization of 1551

1551 = 3 x 11 x 47

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

LCM = 2393193 = 3 x 11 x 47 x 1543

Step 4: Therefore, the least common multiple of 1543 and 1551 is 2393193.