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What is the Least Common Multiple of 1524 and 1543?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 1524 and 1543 is 2351532.

LCM(1524,1543) = 2351532

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Least Common Multiple of 1524 and 1543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1524 and 1543, than apply into the LCM equation.

GCF(1524,1543) = 1
LCM(1524,1543) = ( 1524 × 1543) / 1
LCM(1524,1543) = 2351532 / 1
LCM(1524,1543) = 2351532

Least Common Multiple (LCM) of 1524 and 1543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1524 and 1543. First we will calculate the prime factors of 1524 and 1543.

Prime Factorization of 1524

Prime factors of 1524 are 2, 3, 127. Prime factorization of 1524 in exponential form is:

1524 = 22 × 31 × 1271

Prime Factorization of 1543

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

1543 = 15431

Now multiplying the highest exponent prime factors to calculate the LCM of 1524 and 1543.

LCM(1524,1543) = 22 × 31 × 1271 × 15431
LCM(1524,1543) = 2351532