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What is the Least Common Multiple of 78342 and 78361?

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 78342 and 78361 is 6138957462.

LCM(78342,78361) = 6138957462

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Least Common Multiple of 78342 and 78361 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78342 and 78361, than apply into the LCM equation.

GCF(78342,78361) = 1
LCM(78342,78361) = ( 78342 × 78361) / 1
LCM(78342,78361) = 6138957462 / 1
LCM(78342,78361) = 6138957462

Least Common Multiple (LCM) of 78342 and 78361 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78342 and 78361. First we will calculate the prime factors of 78342 and 78361.

Prime Factorization of 78342

Prime factors of 78342 are 2, 3, 11, 1187. Prime factorization of 78342 in exponential form is:

78342 = 21 × 31 × 111 × 11871

Prime Factorization of 78361

Prime factors of 78361 are 23, 3407. Prime factorization of 78361 in exponential form is:

78361 = 231 × 34071

Now multiplying the highest exponent prime factors to calculate the LCM of 78342 and 78361.

LCM(78342,78361) = 21 × 31 × 111 × 11871 × 231 × 34071
LCM(78342,78361) = 6138957462