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What is the Least Common Multiple of 66836 and 66845?

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 66836 and 66845 is 4467652420.

LCM(66836,66845) = 4467652420

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Least Common Multiple of 66836 and 66845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66836 and 66845, than apply into the LCM equation.

GCF(66836,66845) = 1
LCM(66836,66845) = ( 66836 × 66845) / 1
LCM(66836,66845) = 4467652420 / 1
LCM(66836,66845) = 4467652420

Least Common Multiple (LCM) of 66836 and 66845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66836 and 66845. First we will calculate the prime factors of 66836 and 66845.

Prime Factorization of 66836

Prime factors of 66836 are 2, 7, 11, 31. Prime factorization of 66836 in exponential form is:

66836 = 22 × 72 × 111 × 311

Prime Factorization of 66845

Prime factors of 66845 are 5, 29, 461. Prime factorization of 66845 in exponential form is:

66845 = 51 × 291 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 66836 and 66845.

LCM(66836,66845) = 22 × 72 × 111 × 311 × 51 × 291 × 4611
LCM(66836,66845) = 4467652420