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What is the Least Common Multiple of 78285 and 78304?

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 78285 and 78304 is 6130028640.

LCM(78285,78304) = 6130028640

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Least Common Multiple of 78285 and 78304 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78285 and 78304, than apply into the LCM equation.

GCF(78285,78304) = 1
LCM(78285,78304) = ( 78285 × 78304) / 1
LCM(78285,78304) = 6130028640 / 1
LCM(78285,78304) = 6130028640

Least Common Multiple (LCM) of 78285 and 78304 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78285 and 78304. First we will calculate the prime factors of 78285 and 78304.

Prime Factorization of 78285

Prime factors of 78285 are 3, 5, 17, 307. Prime factorization of 78285 in exponential form is:

78285 = 31 × 51 × 171 × 3071

Prime Factorization of 78304

Prime factors of 78304 are 2, 2447. Prime factorization of 78304 in exponential form is:

78304 = 25 × 24471

Now multiplying the highest exponent prime factors to calculate the LCM of 78285 and 78304.

LCM(78285,78304) = 31 × 51 × 171 × 3071 × 25 × 24471
LCM(78285,78304) = 6130028640