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What is the Least Common Multiple of 85379 and 85390?

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 85379 and 85390 is 7290512810.

LCM(85379,85390) = 7290512810

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Least Common Multiple of 85379 and 85390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85379 and 85390, than apply into the LCM equation.

GCF(85379,85390) = 1
LCM(85379,85390) = ( 85379 × 85390) / 1
LCM(85379,85390) = 7290512810 / 1
LCM(85379,85390) = 7290512810

Least Common Multiple (LCM) of 85379 and 85390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85379 and 85390. First we will calculate the prime factors of 85379 and 85390.

Prime Factorization of 85379

Prime factors of 85379 are 7, 12197. Prime factorization of 85379 in exponential form is:

85379 = 71 × 121971

Prime Factorization of 85390

Prime factors of 85390 are 2, 5, 8539. Prime factorization of 85390 in exponential form is:

85390 = 21 × 51 × 85391

Now multiplying the highest exponent prime factors to calculate the LCM of 85379 and 85390.

LCM(85379,85390) = 71 × 121971 × 21 × 51 × 85391
LCM(85379,85390) = 7290512810