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What is the Least Common Multiple of 73853 and 73872?

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 73853 and 73872 is 287140464.

LCM(73853,73872) = 287140464

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Least Common Multiple of 73853 and 73872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73853 and 73872, than apply into the LCM equation.

GCF(73853,73872) = 19
LCM(73853,73872) = ( 73853 × 73872) / 19
LCM(73853,73872) = 5455668816 / 19
LCM(73853,73872) = 287140464

Least Common Multiple (LCM) of 73853 and 73872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73853 and 73872. First we will calculate the prime factors of 73853 and 73872.

Prime Factorization of 73853

Prime factors of 73853 are 13, 19, 23. Prime factorization of 73853 in exponential form is:

73853 = 132 × 191 × 231

Prime Factorization of 73872

Prime factors of 73872 are 2, 3, 19. Prime factorization of 73872 in exponential form is:

73872 = 24 × 35 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 73853 and 73872.

LCM(73853,73872) = 132 × 191 × 231 × 24 × 35
LCM(73853,73872) = 287140464