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What is the Least Common Multiple of 72310 and 72328?

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 72310 and 72328 is 2615018840.

LCM(72310,72328) = 2615018840

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Least Common Multiple of 72310 and 72328 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72310 and 72328, than apply into the LCM equation.

GCF(72310,72328) = 2
LCM(72310,72328) = ( 72310 × 72328) / 2
LCM(72310,72328) = 5230037680 / 2
LCM(72310,72328) = 2615018840

Least Common Multiple (LCM) of 72310 and 72328 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72310 and 72328. First we will calculate the prime factors of 72310 and 72328.

Prime Factorization of 72310

Prime factors of 72310 are 2, 5, 7, 1033. Prime factorization of 72310 in exponential form is:

72310 = 21 × 51 × 71 × 10331

Prime Factorization of 72328

Prime factors of 72328 are 2, 9041. Prime factorization of 72328 in exponential form is:

72328 = 23 × 90411

Now multiplying the highest exponent prime factors to calculate the LCM of 72310 and 72328.

LCM(72310,72328) = 23 × 51 × 71 × 10331 × 90411
LCM(72310,72328) = 2615018840