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What is the Least Common Multiple of 64808 and 64815?

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 64808 and 64815 is 4200530520.

LCM(64808,64815) = 4200530520

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Least Common Multiple of 64808 and 64815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64808 and 64815, than apply into the LCM equation.

GCF(64808,64815) = 1
LCM(64808,64815) = ( 64808 × 64815) / 1
LCM(64808,64815) = 4200530520 / 1
LCM(64808,64815) = 4200530520

Least Common Multiple (LCM) of 64808 and 64815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64808 and 64815. First we will calculate the prime factors of 64808 and 64815.

Prime Factorization of 64808

Prime factors of 64808 are 2, 8101. Prime factorization of 64808 in exponential form is:

64808 = 23 × 81011

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

Now multiplying the highest exponent prime factors to calculate the LCM of 64808 and 64815.

LCM(64808,64815) = 23 × 81011 × 31 × 51 × 291 × 1491
LCM(64808,64815) = 4200530520