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What is the Least Common Multiple of 66830 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 66830 and 66845 is 893450270.

LCM(66830,66845) = 893450270

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Least Common Multiple of 66830 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 66830 and 66845, than apply into the LCM equation.

GCF(66830,66845) = 5
LCM(66830,66845) = ( 66830 × 66845) / 5
LCM(66830,66845) = 4467251350 / 5
LCM(66830,66845) = 893450270

Least Common Multiple (LCM) of 66830 and 66845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66830 and 66845. First we will calculate the prime factors of 66830 and 66845.

Prime Factorization of 66830

Prime factors of 66830 are 2, 5, 41, 163. Prime factorization of 66830 in exponential form is:

66830 = 21 × 51 × 411 × 1631

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 66830 and 66845.

LCM(66830,66845) = 21 × 51 × 411 × 1631 × 291 × 4611
LCM(66830,66845) = 893450270