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What is the Least Common Multiple of 73853 and 73870?

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 73870 is 5455521110.

LCM(73853,73870) = 5455521110

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Least Common Multiple of 73853 and 73870 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 73870, than apply into the LCM equation.

GCF(73853,73870) = 1
LCM(73853,73870) = ( 73853 × 73870) / 1
LCM(73853,73870) = 5455521110 / 1
LCM(73853,73870) = 5455521110

Least Common Multiple (LCM) of 73853 and 73870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73853 and 73870. First we will calculate the prime factors of 73853 and 73870.

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 73870

Prime factors of 73870 are 2, 5, 83, 89. Prime factorization of 73870 in exponential form is:

73870 = 21 × 51 × 831 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 73853 and 73870.

LCM(73853,73870) = 132 × 191 × 231 × 21 × 51 × 831 × 891
LCM(73853,73870) = 5455521110