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What is the Least Common Multiple of 78338 and 78357?

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 78338 and 78357 is 6138330666.

LCM(78338,78357) = 6138330666

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Least Common Multiple of 78338 and 78357 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78338 and 78357, than apply into the LCM equation.

GCF(78338,78357) = 1
LCM(78338,78357) = ( 78338 × 78357) / 1
LCM(78338,78357) = 6138330666 / 1
LCM(78338,78357) = 6138330666

Least Common Multiple (LCM) of 78338 and 78357 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78338 and 78357. First we will calculate the prime factors of 78338 and 78357.

Prime Factorization of 78338

Prime factors of 78338 are 2, 13, 23, 131. Prime factorization of 78338 in exponential form is:

78338 = 21 × 131 × 231 × 1311

Prime Factorization of 78357

Prime factors of 78357 are 3, 26119. Prime factorization of 78357 in exponential form is:

78357 = 31 × 261191

Now multiplying the highest exponent prime factors to calculate the LCM of 78338 and 78357.

LCM(78338,78357) = 21 × 131 × 231 × 1311 × 31 × 261191
LCM(78338,78357) = 6138330666