What is the Least Common Multiple of 39831 and 39846?
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 39846 is 529035342.
LCM(39831,39846) = 529035342
Least Common Multiple of 39831 and 39846 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 39846, than apply into the LCM equation.
GCF(39831,39846) = 3
LCM(39831,39846) = ( 39831 × 39846) / 3
LCM(39831,39846) = 1587106026 / 3
LCM(39831,39846) = 529035342
Least Common Multiple (LCM) of 39831 and 39846 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 39831 and 39846. First we will calculate the prime factors of 39831 and 39846.
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 39846
Prime factors of 39846 are 2, 3, 29, 229. Prime factorization of 39846 in exponential form is:
39846 = 21 × 31 × 291 × 2291
Now multiplying the highest exponent prime factors to calculate the LCM of 39831 and 39846.
LCM(39831,39846) = 31 × 111 × 171 × 711 × 21 × 291 × 2291
LCM(39831,39846) = 529035342
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