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What is the Least Common Multiple of 78296 and 78315?

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 78296 and 78315 is 6131751240.

LCM(78296,78315) = 6131751240

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Least Common Multiple of 78296 and 78315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78296 and 78315, than apply into the LCM equation.

GCF(78296,78315) = 1
LCM(78296,78315) = ( 78296 × 78315) / 1
LCM(78296,78315) = 6131751240 / 1
LCM(78296,78315) = 6131751240

Least Common Multiple (LCM) of 78296 and 78315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78296 and 78315. First we will calculate the prime factors of 78296 and 78315.

Prime Factorization of 78296

Prime factors of 78296 are 2, 9787. Prime factorization of 78296 in exponential form is:

78296 = 23 × 97871

Prime Factorization of 78315

Prime factors of 78315 are 3, 5, 23, 227. Prime factorization of 78315 in exponential form is:

78315 = 31 × 51 × 231 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 78296 and 78315.

LCM(78296,78315) = 23 × 97871 × 31 × 51 × 231 × 2271
LCM(78296,78315) = 6131751240