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What is the Least Common Multiple of 39871 and 39885?

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 39871 and 39885 is 1590254835.

LCM(39871,39885) = 1590254835

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Least Common Multiple of 39871 and 39885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39871 and 39885, than apply into the LCM equation.

GCF(39871,39885) = 1
LCM(39871,39885) = ( 39871 × 39885) / 1
LCM(39871,39885) = 1590254835 / 1
LCM(39871,39885) = 1590254835

Least Common Multiple (LCM) of 39871 and 39885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39871 and 39885. First we will calculate the prime factors of 39871 and 39885.

Prime Factorization of 39871

Prime factors of 39871 are 13, 3067. Prime factorization of 39871 in exponential form is:

39871 = 131 × 30671

Prime Factorization of 39885

Prime factors of 39885 are 3, 5, 2659. Prime factorization of 39885 in exponential form is:

39885 = 31 × 51 × 26591

Now multiplying the highest exponent prime factors to calculate the LCM of 39871 and 39885.

LCM(39871,39885) = 131 × 30671 × 31 × 51 × 26591
LCM(39871,39885) = 1590254835