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What is the Least Common Multiple of 43061 and 43078?

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 43061 and 43078 is 109116574.

LCM(43061,43078) = 109116574

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Least Common Multiple of 43061 and 43078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43061 and 43078, than apply into the LCM equation.

GCF(43061,43078) = 17
LCM(43061,43078) = ( 43061 × 43078) / 17
LCM(43061,43078) = 1854981758 / 17
LCM(43061,43078) = 109116574

Least Common Multiple (LCM) of 43061 and 43078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43061 and 43078. First we will calculate the prime factors of 43061 and 43078.

Prime Factorization of 43061

Prime factors of 43061 are 17, 149. Prime factorization of 43061 in exponential form is:

43061 = 172 × 1491

Prime Factorization of 43078

Prime factors of 43078 are 2, 7, 17, 181. Prime factorization of 43078 in exponential form is:

43078 = 21 × 71 × 171 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 43061 and 43078.

LCM(43061,43078) = 172 × 1491 × 21 × 71 × 1811
LCM(43061,43078) = 109116574