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What is the Least Common Multiple of 78354 and 78365?

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 78354 and 78365 is 6140211210.

LCM(78354,78365) = 6140211210

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Least Common Multiple of 78354 and 78365 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78354 and 78365, than apply into the LCM equation.

GCF(78354,78365) = 1
LCM(78354,78365) = ( 78354 × 78365) / 1
LCM(78354,78365) = 6140211210 / 1
LCM(78354,78365) = 6140211210

Least Common Multiple (LCM) of 78354 and 78365 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78354 and 78365. First we will calculate the prime factors of 78354 and 78365.

Prime Factorization of 78354

Prime factors of 78354 are 2, 3, 1451. Prime factorization of 78354 in exponential form is:

78354 = 21 × 33 × 14511

Prime Factorization of 78365

Prime factors of 78365 are 5, 7, 2239. Prime factorization of 78365 in exponential form is:

78365 = 51 × 71 × 22391

Now multiplying the highest exponent prime factors to calculate the LCM of 78354 and 78365.

LCM(78354,78365) = 21 × 33 × 14511 × 51 × 71 × 22391
LCM(78354,78365) = 6140211210