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What is the Least Common Multiple of 78355 and 78372?

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 78355 and 78372 is 6140838060.

LCM(78355,78372) = 6140838060

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Least Common Multiple of 78355 and 78372 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78355 and 78372, than apply into the LCM equation.

GCF(78355,78372) = 1
LCM(78355,78372) = ( 78355 × 78372) / 1
LCM(78355,78372) = 6140838060 / 1
LCM(78355,78372) = 6140838060

Least Common Multiple (LCM) of 78355 and 78372 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78355 and 78372. First we will calculate the prime factors of 78355 and 78372.

Prime Factorization of 78355

Prime factors of 78355 are 5, 15671. Prime factorization of 78355 in exponential form is:

78355 = 51 × 156711

Prime Factorization of 78372

Prime factors of 78372 are 2, 3, 7, 311. Prime factorization of 78372 in exponential form is:

78372 = 22 × 32 × 71 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 78355 and 78372.

LCM(78355,78372) = 51 × 156711 × 22 × 32 × 71 × 3111
LCM(78355,78372) = 6140838060