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What is the Least Common Multiple of 85899 and 85918?

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 85899 and 85918 is 388435278.

LCM(85899,85918) = 388435278

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Least Common Multiple of 85899 and 85918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85899 and 85918, than apply into the LCM equation.

GCF(85899,85918) = 19
LCM(85899,85918) = ( 85899 × 85918) / 19
LCM(85899,85918) = 7380270282 / 19
LCM(85899,85918) = 388435278

Least Common Multiple (LCM) of 85899 and 85918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85899 and 85918. First we will calculate the prime factors of 85899 and 85918.

Prime Factorization of 85899

Prime factors of 85899 are 3, 11, 19, 137. Prime factorization of 85899 in exponential form is:

85899 = 31 × 111 × 191 × 1371

Prime Factorization of 85918

Prime factors of 85918 are 2, 7, 17, 19. Prime factorization of 85918 in exponential form is:

85918 = 21 × 71 × 171 × 192

Now multiplying the highest exponent prime factors to calculate the LCM of 85899 and 85918.

LCM(85899,85918) = 31 × 111 × 192 × 1371 × 21 × 71 × 171
LCM(85899,85918) = 388435278