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What is the Least Common Multiple of 12040 and 12057?

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 12040 and 12057 is 145166280.

LCM(12040,12057) = 145166280

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Least Common Multiple of 12040 and 12057 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12040 and 12057, than apply into the LCM equation.

GCF(12040,12057) = 1
LCM(12040,12057) = ( 12040 × 12057) / 1
LCM(12040,12057) = 145166280 / 1
LCM(12040,12057) = 145166280

Least Common Multiple (LCM) of 12040 and 12057 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12040 and 12057. First we will calculate the prime factors of 12040 and 12057.

Prime Factorization of 12040

Prime factors of 12040 are 2, 5, 7, 43. Prime factorization of 12040 in exponential form is:

12040 = 23 × 51 × 71 × 431

Prime Factorization of 12057

Prime factors of 12057 are 3, 4019. Prime factorization of 12057 in exponential form is:

12057 = 31 × 40191

Now multiplying the highest exponent prime factors to calculate the LCM of 12040 and 12057.

LCM(12040,12057) = 23 × 51 × 71 × 431 × 31 × 40191
LCM(12040,12057) = 145166280