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What is the Least Common Multiple of 18851 and 18863?

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 18851 and 18863 is 355586413.

LCM(18851,18863) = 355586413

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Least Common Multiple of 18851 and 18863 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18851 and 18863, than apply into the LCM equation.

GCF(18851,18863) = 1
LCM(18851,18863) = ( 18851 × 18863) / 1
LCM(18851,18863) = 355586413 / 1
LCM(18851,18863) = 355586413

Least Common Multiple (LCM) of 18851 and 18863 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18851 and 18863. First we will calculate the prime factors of 18851 and 18863.

Prime Factorization of 18851

Prime factors of 18851 are 7, 2693. Prime factorization of 18851 in exponential form is:

18851 = 71 × 26931

Prime Factorization of 18863

Prime factors of 18863 are 13, 1451. Prime factorization of 18863 in exponential form is:

18863 = 131 × 14511

Now multiplying the highest exponent prime factors to calculate the LCM of 18851 and 18863.

LCM(18851,18863) = 71 × 26931 × 131 × 14511
LCM(18851,18863) = 355586413