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What is the Least Common Multiple of 97845 and 97865?

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 97845 and 97865 is 1915120185.

LCM(97845,97865) = 1915120185

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Least Common Multiple of 97845 and 97865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97845 and 97865, than apply into the LCM equation.

GCF(97845,97865) = 5
LCM(97845,97865) = ( 97845 × 97865) / 5
LCM(97845,97865) = 9575600925 / 5
LCM(97845,97865) = 1915120185

Least Common Multiple (LCM) of 97845 and 97865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97845 and 97865. First we will calculate the prime factors of 97845 and 97865.

Prime Factorization of 97845

Prime factors of 97845 are 3, 5, 11, 593. Prime factorization of 97845 in exponential form is:

97845 = 31 × 51 × 111 × 5931

Prime Factorization of 97865

Prime factors of 97865 are 5, 23, 37. Prime factorization of 97865 in exponential form is:

97865 = 51 × 232 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 97845 and 97865.

LCM(97845,97865) = 31 × 51 × 111 × 5931 × 232 × 371
LCM(97845,97865) = 1915120185