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What is the Least Common Multiple of 39871 and 39882?

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 39882 is 1590135222.

LCM(39871,39882) = 1590135222

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Least Common Multiple of 39871 and 39882 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 39882, than apply into the LCM equation.

GCF(39871,39882) = 1
LCM(39871,39882) = ( 39871 × 39882) / 1
LCM(39871,39882) = 1590135222 / 1
LCM(39871,39882) = 1590135222

Least Common Multiple (LCM) of 39871 and 39882 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39871 and 39882. First we will calculate the prime factors of 39871 and 39882.

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 39882

Prime factors of 39882 are 2, 3, 17, 23. Prime factorization of 39882 in exponential form is:

39882 = 21 × 31 × 172 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 39871 and 39882.

LCM(39871,39882) = 131 × 30671 × 21 × 31 × 172 × 231
LCM(39871,39882) = 1590135222