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What is the Least Common Multiple of 66423 and 66429?

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 66423 and 66429 is 1470804489.

LCM(66423,66429) = 1470804489

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Least Common Multiple of 66423 and 66429 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66423 and 66429, than apply into the LCM equation.

GCF(66423,66429) = 3
LCM(66423,66429) = ( 66423 × 66429) / 3
LCM(66423,66429) = 4412413467 / 3
LCM(66423,66429) = 1470804489

Least Common Multiple (LCM) of 66423 and 66429 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66423 and 66429. First we will calculate the prime factors of 66423 and 66429.

Prime Factorization of 66423

Prime factors of 66423 are 3, 7, 3163. Prime factorization of 66423 in exponential form is:

66423 = 31 × 71 × 31631

Prime Factorization of 66429

Prime factors of 66429 are 3, 11, 61. Prime factorization of 66429 in exponential form is:

66429 = 32 × 112 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 66423 and 66429.

LCM(66423,66429) = 32 × 71 × 31631 × 112 × 611
LCM(66423,66429) = 1470804489