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What is the Least Common Multiple of 67136 and 67143?

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 67136 and 67143 is 4507712448.

LCM(67136,67143) = 4507712448

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Least Common Multiple of 67136 and 67143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67136 and 67143, than apply into the LCM equation.

GCF(67136,67143) = 1
LCM(67136,67143) = ( 67136 × 67143) / 1
LCM(67136,67143) = 4507712448 / 1
LCM(67136,67143) = 4507712448

Least Common Multiple (LCM) of 67136 and 67143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67136 and 67143. First we will calculate the prime factors of 67136 and 67143.

Prime Factorization of 67136

Prime factors of 67136 are 2, 1049. Prime factorization of 67136 in exponential form is:

67136 = 26 × 10491

Prime Factorization of 67143

Prime factors of 67143 are 3, 22381. Prime factorization of 67143 in exponential form is:

67143 = 31 × 223811

Now multiplying the highest exponent prime factors to calculate the LCM of 67136 and 67143.

LCM(67136,67143) = 26 × 10491 × 31 × 223811
LCM(67136,67143) = 4507712448