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What is the Least Common Multiple of 64340 and 64351?

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 64340 and 64351 is 4140343340.

LCM(64340,64351) = 4140343340

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Least Common Multiple of 64340 and 64351 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64340 and 64351, than apply into the LCM equation.

GCF(64340,64351) = 1
LCM(64340,64351) = ( 64340 × 64351) / 1
LCM(64340,64351) = 4140343340 / 1
LCM(64340,64351) = 4140343340

Least Common Multiple (LCM) of 64340 and 64351 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64340 and 64351. First we will calculate the prime factors of 64340 and 64351.

Prime Factorization of 64340

Prime factors of 64340 are 2, 5, 3217. Prime factorization of 64340 in exponential form is:

64340 = 22 × 51 × 32171

Prime Factorization of 64351

Prime factors of 64351 are 7, 29, 317. Prime factorization of 64351 in exponential form is:

64351 = 71 × 291 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 64340 and 64351.

LCM(64340,64351) = 22 × 51 × 32171 × 71 × 291 × 3171
LCM(64340,64351) = 4140343340