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What is the Least Common Multiple of 87222 and 87238?

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 87222 and 87238 is 3804536418.

LCM(87222,87238) = 3804536418

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Least Common Multiple of 87222 and 87238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87222 and 87238, than apply into the LCM equation.

GCF(87222,87238) = 2
LCM(87222,87238) = ( 87222 × 87238) / 2
LCM(87222,87238) = 7609072836 / 2
LCM(87222,87238) = 3804536418

Least Common Multiple (LCM) of 87222 and 87238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87222 and 87238. First we will calculate the prime factors of 87222 and 87238.

Prime Factorization of 87222

Prime factors of 87222 are 2, 3, 14537. Prime factorization of 87222 in exponential form is:

87222 = 21 × 31 × 145371

Prime Factorization of 87238

Prime factors of 87238 are 2, 53, 823. Prime factorization of 87238 in exponential form is:

87238 = 21 × 531 × 8231

Now multiplying the highest exponent prime factors to calculate the LCM of 87222 and 87238.

LCM(87222,87238) = 21 × 31 × 145371 × 531 × 8231
LCM(87222,87238) = 3804536418