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What is the Least Common Multiple of 81583 and 81601?

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 81583 and 81601 is 6657254383.

LCM(81583,81601) = 6657254383

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Least Common Multiple of 81583 and 81601 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81583 and 81601, than apply into the LCM equation.

GCF(81583,81601) = 1
LCM(81583,81601) = ( 81583 × 81601) / 1
LCM(81583,81601) = 6657254383 / 1
LCM(81583,81601) = 6657254383

Least Common Multiple (LCM) of 81583 and 81601 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81583 and 81601. First we will calculate the prime factors of 81583 and 81601.

Prime Factorization of 81583

Prime factors of 81583 are 17, 4799. Prime factorization of 81583 in exponential form is:

81583 = 171 × 47991

Prime Factorization of 81601

Prime factors of 81601 are 13, 6277. Prime factorization of 81601 in exponential form is:

81601 = 131 × 62771

Now multiplying the highest exponent prime factors to calculate the LCM of 81583 and 81601.

LCM(81583,81601) = 171 × 47991 × 131 × 62771
LCM(81583,81601) = 6657254383