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What is the Least Common Multiple of 27042 and 27057?

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 27042 and 27057 is 243891798.

LCM(27042,27057) = 243891798

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Least Common Multiple of 27042 and 27057 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27042 and 27057, than apply into the LCM equation.

GCF(27042,27057) = 3
LCM(27042,27057) = ( 27042 × 27057) / 3
LCM(27042,27057) = 731675394 / 3
LCM(27042,27057) = 243891798

Least Common Multiple (LCM) of 27042 and 27057 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27042 and 27057. First we will calculate the prime factors of 27042 and 27057.

Prime Factorization of 27042

Prime factors of 27042 are 2, 3, 4507. Prime factorization of 27042 in exponential form is:

27042 = 21 × 31 × 45071

Prime Factorization of 27057

Prime factors of 27057 are 3, 29, 311. Prime factorization of 27057 in exponential form is:

27057 = 31 × 291 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 27042 and 27057.

LCM(27042,27057) = 21 × 31 × 45071 × 291 × 3111
LCM(27042,27057) = 243891798