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What is the Least Common Multiple of 18995 and 19005?

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 18995 and 19005 is 72199995.

LCM(18995,19005) = 72199995

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Least Common Multiple of 18995 and 19005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18995 and 19005, than apply into the LCM equation.

GCF(18995,19005) = 5
LCM(18995,19005) = ( 18995 × 19005) / 5
LCM(18995,19005) = 360999975 / 5
LCM(18995,19005) = 72199995

Least Common Multiple (LCM) of 18995 and 19005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18995 and 19005. First we will calculate the prime factors of 18995 and 19005.

Prime Factorization of 18995

Prime factors of 18995 are 5, 29, 131. Prime factorization of 18995 in exponential form is:

18995 = 51 × 291 × 1311

Prime Factorization of 19005

Prime factors of 19005 are 3, 5, 7, 181. Prime factorization of 19005 in exponential form is:

19005 = 31 × 51 × 71 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 18995 and 19005.

LCM(18995,19005) = 51 × 291 × 1311 × 31 × 71 × 1811
LCM(18995,19005) = 72199995