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What is the Least Common Multiple of 72238 and 72245?

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 72238 and 72245 is 5218834310.

LCM(72238,72245) = 5218834310

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Least Common Multiple of 72238 and 72245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72238 and 72245, than apply into the LCM equation.

GCF(72238,72245) = 1
LCM(72238,72245) = ( 72238 × 72245) / 1
LCM(72238,72245) = 5218834310 / 1
LCM(72238,72245) = 5218834310

Least Common Multiple (LCM) of 72238 and 72245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72238 and 72245. First we will calculate the prime factors of 72238 and 72245.

Prime Factorization of 72238

Prime factors of 72238 are 2, 19, 1901. Prime factorization of 72238 in exponential form is:

72238 = 21 × 191 × 19011

Prime Factorization of 72245

Prime factors of 72245 are 5, 14449. Prime factorization of 72245 in exponential form is:

72245 = 51 × 144491

Now multiplying the highest exponent prime factors to calculate the LCM of 72238 and 72245.

LCM(72238,72245) = 21 × 191 × 19011 × 51 × 144491
LCM(72238,72245) = 5218834310