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What is the Least Common Multiple of 72788 and 72798?

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 72788 and 72798 is 2649410412.

LCM(72788,72798) = 2649410412

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Least Common Multiple of 72788 and 72798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72788 and 72798, than apply into the LCM equation.

GCF(72788,72798) = 2
LCM(72788,72798) = ( 72788 × 72798) / 2
LCM(72788,72798) = 5298820824 / 2
LCM(72788,72798) = 2649410412

Least Common Multiple (LCM) of 72788 and 72798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72788 and 72798. First we will calculate the prime factors of 72788 and 72798.

Prime Factorization of 72788

Prime factors of 72788 are 2, 31, 587. Prime factorization of 72788 in exponential form is:

72788 = 22 × 311 × 5871

Prime Factorization of 72798

Prime factors of 72798 are 2, 3, 11, 1103. Prime factorization of 72798 in exponential form is:

72798 = 21 × 31 × 111 × 11031

Now multiplying the highest exponent prime factors to calculate the LCM of 72788 and 72798.

LCM(72788,72798) = 22 × 311 × 5871 × 31 × 111 × 11031
LCM(72788,72798) = 2649410412