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What is the Least Common Multiple of 85382 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 85382 and 85390 is 3645384490.

LCM(85382,85390) = 3645384490

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Least Common Multiple of 85382 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 85382 and 85390, than apply into the LCM equation.

GCF(85382,85390) = 2
LCM(85382,85390) = ( 85382 × 85390) / 2
LCM(85382,85390) = 7290768980 / 2
LCM(85382,85390) = 3645384490

Least Common Multiple (LCM) of 85382 and 85390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85382 and 85390. First we will calculate the prime factors of 85382 and 85390.

Prime Factorization of 85382

Prime factors of 85382 are 2, 11, 3881. Prime factorization of 85382 in exponential form is:

85382 = 21 × 111 × 38811

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 85382 and 85390.

LCM(85382,85390) = 21 × 111 × 38811 × 51 × 85391
LCM(85382,85390) = 3645384490