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What is the Least Common Multiple of 85442 and 85457?

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 85442 and 85457 is 7301616994.

LCM(85442,85457) = 7301616994

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Least Common Multiple of 85442 and 85457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85442 and 85457, than apply into the LCM equation.

GCF(85442,85457) = 1
LCM(85442,85457) = ( 85442 × 85457) / 1
LCM(85442,85457) = 7301616994 / 1
LCM(85442,85457) = 7301616994

Least Common Multiple (LCM) of 85442 and 85457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85442 and 85457. First we will calculate the prime factors of 85442 and 85457.

Prime Factorization of 85442

Prime factors of 85442 are 2, 7, 17, 359. Prime factorization of 85442 in exponential form is:

85442 = 21 × 71 × 171 × 3591

Prime Factorization of 85457

Prime factors of 85457 are 97, 881. Prime factorization of 85457 in exponential form is:

85457 = 971 × 8811

Now multiplying the highest exponent prime factors to calculate the LCM of 85442 and 85457.

LCM(85442,85457) = 21 × 71 × 171 × 3591 × 971 × 8811
LCM(85442,85457) = 7301616994