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What is the Least Common Multiple of 27842 and 27855?

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 27842 and 27855 is 775538910.

LCM(27842,27855) = 775538910

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Least Common Multiple of 27842 and 27855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27842 and 27855, than apply into the LCM equation.

GCF(27842,27855) = 1
LCM(27842,27855) = ( 27842 × 27855) / 1
LCM(27842,27855) = 775538910 / 1
LCM(27842,27855) = 775538910

Least Common Multiple (LCM) of 27842 and 27855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27842 and 27855. First we will calculate the prime factors of 27842 and 27855.

Prime Factorization of 27842

Prime factors of 27842 are 2, 13921. Prime factorization of 27842 in exponential form is:

27842 = 21 × 139211

Prime Factorization of 27855

Prime factors of 27855 are 3, 5, 619. Prime factorization of 27855 in exponential form is:

27855 = 32 × 51 × 6191

Now multiplying the highest exponent prime factors to calculate the LCM of 27842 and 27855.

LCM(27842,27855) = 21 × 139211 × 32 × 51 × 6191
LCM(27842,27855) = 775538910