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What is the Least Common Multiple of 78378 and 78395?

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 78378 and 78395 is 6144443310.

LCM(78378,78395) = 6144443310

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Least Common Multiple of 78378 and 78395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78378 and 78395, than apply into the LCM equation.

GCF(78378,78395) = 1
LCM(78378,78395) = ( 78378 × 78395) / 1
LCM(78378,78395) = 6144443310 / 1
LCM(78378,78395) = 6144443310

Least Common Multiple (LCM) of 78378 and 78395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78378 and 78395. First we will calculate the prime factors of 78378 and 78395.

Prime Factorization of 78378

Prime factors of 78378 are 2, 3, 13063. Prime factorization of 78378 in exponential form is:

78378 = 21 × 31 × 130631

Prime Factorization of 78395

Prime factors of 78395 are 5, 15679. Prime factorization of 78395 in exponential form is:

78395 = 51 × 156791

Now multiplying the highest exponent prime factors to calculate the LCM of 78378 and 78395.

LCM(78378,78395) = 21 × 31 × 130631 × 51 × 156791
LCM(78378,78395) = 6144443310