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What is the Least Common Multiple of 64413 and 64418?

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 64413 and 64418 is 4149356634.

LCM(64413,64418) = 4149356634

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Least Common Multiple of 64413 and 64418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64413 and 64418, than apply into the LCM equation.

GCF(64413,64418) = 1
LCM(64413,64418) = ( 64413 × 64418) / 1
LCM(64413,64418) = 4149356634 / 1
LCM(64413,64418) = 4149356634

Least Common Multiple (LCM) of 64413 and 64418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64413 and 64418. First we will calculate the prime factors of 64413 and 64418.

Prime Factorization of 64413

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

64413 = 32 × 171 × 4211

Prime Factorization of 64418

Prime factors of 64418 are 2, 31, 1039. Prime factorization of 64418 in exponential form is:

64418 = 21 × 311 × 10391

Now multiplying the highest exponent prime factors to calculate the LCM of 64413 and 64418.

LCM(64413,64418) = 32 × 171 × 4211 × 21 × 311 × 10391
LCM(64413,64418) = 4149356634