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What is the Least Common Multiple of 39860 and 39871?

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 39860 and 39871 is 1589258060.

LCM(39860,39871) = 1589258060

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Least Common Multiple of 39860 and 39871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39860 and 39871, than apply into the LCM equation.

GCF(39860,39871) = 1
LCM(39860,39871) = ( 39860 × 39871) / 1
LCM(39860,39871) = 1589258060 / 1
LCM(39860,39871) = 1589258060

Least Common Multiple (LCM) of 39860 and 39871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39860 and 39871. First we will calculate the prime factors of 39860 and 39871.

Prime Factorization of 39860

Prime factors of 39860 are 2, 5, 1993. Prime factorization of 39860 in exponential form is:

39860 = 22 × 51 × 19931

Prime Factorization of 39871

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

39871 = 131 × 30671

Now multiplying the highest exponent prime factors to calculate the LCM of 39860 and 39871.

LCM(39860,39871) = 22 × 51 × 19931 × 131 × 30671
LCM(39860,39871) = 1589258060