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What is the Least Common Multiple of 64815 and 64826?

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 64815 and 64826 is 4201697190.

LCM(64815,64826) = 4201697190

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Least Common Multiple of 64815 and 64826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64815 and 64826, than apply into the LCM equation.

GCF(64815,64826) = 1
LCM(64815,64826) = ( 64815 × 64826) / 1
LCM(64815,64826) = 4201697190 / 1
LCM(64815,64826) = 4201697190

Least Common Multiple (LCM) of 64815 and 64826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64815 and 64826. First we will calculate the prime factors of 64815 and 64826.

Prime Factorization of 64815

Prime factors of 64815 are 3, 5, 29, 149. Prime factorization of 64815 in exponential form is:

64815 = 31 × 51 × 291 × 1491

Prime Factorization of 64826

Prime factors of 64826 are 2, 32413. Prime factorization of 64826 in exponential form is:

64826 = 21 × 324131

Now multiplying the highest exponent prime factors to calculate the LCM of 64815 and 64826.

LCM(64815,64826) = 31 × 51 × 291 × 1491 × 21 × 324131
LCM(64815,64826) = 4201697190