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What is the Least Common Multiple of 66474 and 66485?

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 66474 and 66485 is 4419523890.

LCM(66474,66485) = 4419523890

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Least Common Multiple of 66474 and 66485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66474 and 66485, than apply into the LCM equation.

GCF(66474,66485) = 1
LCM(66474,66485) = ( 66474 × 66485) / 1
LCM(66474,66485) = 4419523890 / 1
LCM(66474,66485) = 4419523890

Least Common Multiple (LCM) of 66474 and 66485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66474 and 66485. First we will calculate the prime factors of 66474 and 66485.

Prime Factorization of 66474

Prime factors of 66474 are 2, 3, 1231. Prime factorization of 66474 in exponential form is:

66474 = 21 × 33 × 12311

Prime Factorization of 66485

Prime factors of 66485 are 5, 13297. Prime factorization of 66485 in exponential form is:

66485 = 51 × 132971

Now multiplying the highest exponent prime factors to calculate the LCM of 66474 and 66485.

LCM(66474,66485) = 21 × 33 × 12311 × 51 × 132971
LCM(66474,66485) = 4419523890