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What is the Least Common Multiple of 64393 and 64413?

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 64393 and 64413 is 4147746309.

LCM(64393,64413) = 4147746309

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Least Common Multiple of 64393 and 64413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64393 and 64413, than apply into the LCM equation.

GCF(64393,64413) = 1
LCM(64393,64413) = ( 64393 × 64413) / 1
LCM(64393,64413) = 4147746309 / 1
LCM(64393,64413) = 4147746309

Least Common Multiple (LCM) of 64393 and 64413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64393 and 64413. First we will calculate the prime factors of 64393 and 64413.

Prime Factorization of 64393

Prime factors of 64393 are 7, 9199. Prime factorization of 64393 in exponential form is:

64393 = 71 × 91991

Prime Factorization of 64413

Prime factors of 64413 are 3, 17, 421. Prime factorization of 64413 in exponential form is:

64413 = 32 × 171 × 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 64393 and 64413.

LCM(64393,64413) = 71 × 91991 × 32 × 171 × 4211
LCM(64393,64413) = 4147746309