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What is the Least Common Multiple of 39831 and 39836?

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 39831 and 39836 is 1586707716.

LCM(39831,39836) = 1586707716

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Least Common Multiple of 39831 and 39836 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39831 and 39836, than apply into the LCM equation.

GCF(39831,39836) = 1
LCM(39831,39836) = ( 39831 × 39836) / 1
LCM(39831,39836) = 1586707716 / 1
LCM(39831,39836) = 1586707716

Least Common Multiple (LCM) of 39831 and 39836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39831 and 39836. First we will calculate the prime factors of 39831 and 39836.

Prime Factorization of 39831

Prime factors of 39831 are 3, 11, 17, 71. Prime factorization of 39831 in exponential form is:

39831 = 31 × 111 × 171 × 711

Prime Factorization of 39836

Prime factors of 39836 are 2, 23, 433. Prime factorization of 39836 in exponential form is:

39836 = 22 × 231 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 39831 and 39836.

LCM(39831,39836) = 31 × 111 × 171 × 711 × 22 × 231 × 4331
LCM(39831,39836) = 1586707716