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What is the Least Common Multiple of 72278 and 72284?

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 72278 and 72284 is 2612271476.

LCM(72278,72284) = 2612271476

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Least Common Multiple of 72278 and 72284 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72278 and 72284, than apply into the LCM equation.

GCF(72278,72284) = 2
LCM(72278,72284) = ( 72278 × 72284) / 2
LCM(72278,72284) = 5224542952 / 2
LCM(72278,72284) = 2612271476

Least Common Multiple (LCM) of 72278 and 72284 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72278 and 72284. First we will calculate the prime factors of 72278 and 72284.

Prime Factorization of 72278

Prime factors of 72278 are 2, 71, 509. Prime factorization of 72278 in exponential form is:

72278 = 21 × 711 × 5091

Prime Factorization of 72284

Prime factors of 72284 are 2, 17, 1063. Prime factorization of 72284 in exponential form is:

72284 = 22 × 171 × 10631

Now multiplying the highest exponent prime factors to calculate the LCM of 72278 and 72284.

LCM(72278,72284) = 22 × 711 × 5091 × 171 × 10631
LCM(72278,72284) = 2612271476