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What is the Least Common Multiple of 78330 and 78344?

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 78330 and 78344 is 438334680.

LCM(78330,78344) = 438334680

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Least Common Multiple of 78330 and 78344 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78330 and 78344, than apply into the LCM equation.

GCF(78330,78344) = 14
LCM(78330,78344) = ( 78330 × 78344) / 14
LCM(78330,78344) = 6136685520 / 14
LCM(78330,78344) = 438334680

Least Common Multiple (LCM) of 78330 and 78344 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78330 and 78344. First we will calculate the prime factors of 78330 and 78344.

Prime Factorization of 78330

Prime factors of 78330 are 2, 3, 5, 7, 373. Prime factorization of 78330 in exponential form is:

78330 = 21 × 31 × 51 × 71 × 3731

Prime Factorization of 78344

Prime factors of 78344 are 2, 7, 1399. Prime factorization of 78344 in exponential form is:

78344 = 23 × 71 × 13991

Now multiplying the highest exponent prime factors to calculate the LCM of 78330 and 78344.

LCM(78330,78344) = 23 × 31 × 51 × 71 × 3731 × 13991
LCM(78330,78344) = 438334680