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What is the Least Common Multiple of 67899 and 67915?

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 67899 and 67915 is 4611360585.

LCM(67899,67915) = 4611360585

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Least Common Multiple of 67899 and 67915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67899 and 67915, than apply into the LCM equation.

GCF(67899,67915) = 1
LCM(67899,67915) = ( 67899 × 67915) / 1
LCM(67899,67915) = 4611360585 / 1
LCM(67899,67915) = 4611360585

Least Common Multiple (LCM) of 67899 and 67915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67899 and 67915. First we will calculate the prime factors of 67899 and 67915.

Prime Factorization of 67899

Prime factors of 67899 are 3, 13, 1741. Prime factorization of 67899 in exponential form is:

67899 = 31 × 131 × 17411

Prime Factorization of 67915

Prime factors of 67915 are 5, 17, 47. Prime factorization of 67915 in exponential form is:

67915 = 51 × 172 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 67899 and 67915.

LCM(67899,67915) = 31 × 131 × 17411 × 51 × 172 × 471
LCM(67899,67915) = 4611360585