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What is the Least Common Multiple of 40190 and 40209?

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 40190 and 40209 is 1615999710.

LCM(40190,40209) = 1615999710

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Least Common Multiple of 40190 and 40209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40190 and 40209, than apply into the LCM equation.

GCF(40190,40209) = 1
LCM(40190,40209) = ( 40190 × 40209) / 1
LCM(40190,40209) = 1615999710 / 1
LCM(40190,40209) = 1615999710

Least Common Multiple (LCM) of 40190 and 40209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40190 and 40209. First we will calculate the prime factors of 40190 and 40209.

Prime Factorization of 40190

Prime factors of 40190 are 2, 5, 4019. Prime factorization of 40190 in exponential form is:

40190 = 21 × 51 × 40191

Prime Factorization of 40209

Prime factors of 40209 are 3, 13, 1031. Prime factorization of 40209 in exponential form is:

40209 = 31 × 131 × 10311

Now multiplying the highest exponent prime factors to calculate the LCM of 40190 and 40209.

LCM(40190,40209) = 21 × 51 × 40191 × 31 × 131 × 10311
LCM(40190,40209) = 1615999710