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What is the Least Common Multiple of 78515 and 78523?

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 78515 and 78523 is 6165233345.

LCM(78515,78523) = 6165233345

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Least Common Multiple of 78515 and 78523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78515 and 78523, than apply into the LCM equation.

GCF(78515,78523) = 1
LCM(78515,78523) = ( 78515 × 78523) / 1
LCM(78515,78523) = 6165233345 / 1
LCM(78515,78523) = 6165233345

Least Common Multiple (LCM) of 78515 and 78523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78515 and 78523. First we will calculate the prime factors of 78515 and 78523.

Prime Factorization of 78515

Prime factors of 78515 are 5, 41, 383. Prime factorization of 78515 in exponential form is:

78515 = 51 × 411 × 3831

Prime Factorization of 78523

Prime factors of 78523 are 17, 31, 149. Prime factorization of 78523 in exponential form is:

78523 = 171 × 311 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 78515 and 78523.

LCM(78515,78523) = 51 × 411 × 3831 × 171 × 311 × 1491
LCM(78515,78523) = 6165233345