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What is the Least Common Multiple of 64213 and 64221?

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 64213 and 64221 is 4123823073.

LCM(64213,64221) = 4123823073

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Least Common Multiple of 64213 and 64221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64213 and 64221, than apply into the LCM equation.

GCF(64213,64221) = 1
LCM(64213,64221) = ( 64213 × 64221) / 1
LCM(64213,64221) = 4123823073 / 1
LCM(64213,64221) = 4123823073

Least Common Multiple (LCM) of 64213 and 64221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64213 and 64221. First we will calculate the prime factors of 64213 and 64221.

Prime Factorization of 64213

Prime factors of 64213 are 157, 409. Prime factorization of 64213 in exponential form is:

64213 = 1571 × 4091

Prime Factorization of 64221

Prime factors of 64221 are 3, 21407. Prime factorization of 64221 in exponential form is:

64221 = 31 × 214071

Now multiplying the highest exponent prime factors to calculate the LCM of 64213 and 64221.

LCM(64213,64221) = 1571 × 4091 × 31 × 214071
LCM(64213,64221) = 4123823073