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What is the Least Common Multiple of 85413 and 85424?

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 85413 and 85424 is 7296320112.

LCM(85413,85424) = 7296320112

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Least Common Multiple of 85413 and 85424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85413 and 85424, than apply into the LCM equation.

GCF(85413,85424) = 1
LCM(85413,85424) = ( 85413 × 85424) / 1
LCM(85413,85424) = 7296320112 / 1
LCM(85413,85424) = 7296320112

Least Common Multiple (LCM) of 85413 and 85424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85413 and 85424. First we will calculate the prime factors of 85413 and 85424.

Prime Factorization of 85413

Prime factors of 85413 are 3, 71, 401. Prime factorization of 85413 in exponential form is:

85413 = 31 × 711 × 4011

Prime Factorization of 85424

Prime factors of 85424 are 2, 19, 281. Prime factorization of 85424 in exponential form is:

85424 = 24 × 191 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 85413 and 85424.

LCM(85413,85424) = 31 × 711 × 4011 × 24 × 191 × 2811
LCM(85413,85424) = 7296320112