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What is the Least Common Multiple of 39815 and 39824?

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 39815 and 39824 is 1585592560.

LCM(39815,39824) = 1585592560

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Least Common Multiple of 39815 and 39824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39815 and 39824, than apply into the LCM equation.

GCF(39815,39824) = 1
LCM(39815,39824) = ( 39815 × 39824) / 1
LCM(39815,39824) = 1585592560 / 1
LCM(39815,39824) = 1585592560

Least Common Multiple (LCM) of 39815 and 39824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39815 and 39824. First we will calculate the prime factors of 39815 and 39824.

Prime Factorization of 39815

Prime factors of 39815 are 5, 7963. Prime factorization of 39815 in exponential form is:

39815 = 51 × 79631

Prime Factorization of 39824

Prime factors of 39824 are 2, 19, 131. Prime factorization of 39824 in exponential form is:

39824 = 24 × 191 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 39815 and 39824.

LCM(39815,39824) = 51 × 79631 × 24 × 191 × 1311
LCM(39815,39824) = 1585592560