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What is the Least Common Multiple of 78465 and 78483?

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 78465 and 78483 is 2052722865.

LCM(78465,78483) = 2052722865

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Least Common Multiple of 78465 and 78483 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78465 and 78483, than apply into the LCM equation.

GCF(78465,78483) = 3
LCM(78465,78483) = ( 78465 × 78483) / 3
LCM(78465,78483) = 6158168595 / 3
LCM(78465,78483) = 2052722865

Least Common Multiple (LCM) of 78465 and 78483 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78465 and 78483. First we will calculate the prime factors of 78465 and 78483.

Prime Factorization of 78465

Prime factors of 78465 are 3, 5, 5231. Prime factorization of 78465 in exponential form is:

78465 = 31 × 51 × 52311

Prime Factorization of 78483

Prime factors of 78483 are 3, 26161. Prime factorization of 78483 in exponential form is:

78483 = 31 × 261611

Now multiplying the highest exponent prime factors to calculate the LCM of 78465 and 78483.

LCM(78465,78483) = 31 × 51 × 52311 × 261611
LCM(78465,78483) = 2052722865