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What is the Least Common Multiple of 72787 and 72805?

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 72787 and 72805 is 5299257535.

LCM(72787,72805) = 5299257535

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Least Common Multiple of 72787 and 72805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72787 and 72805, than apply into the LCM equation.

GCF(72787,72805) = 1
LCM(72787,72805) = ( 72787 × 72805) / 1
LCM(72787,72805) = 5299257535 / 1
LCM(72787,72805) = 5299257535

Least Common Multiple (LCM) of 72787 and 72805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72787 and 72805. First we will calculate the prime factors of 72787 and 72805.

Prime Factorization of 72787

Prime factors of 72787 are 11, 13, 509. Prime factorization of 72787 in exponential form is:

72787 = 111 × 131 × 5091

Prime Factorization of 72805

Prime factors of 72805 are 5, 14561. Prime factorization of 72805 in exponential form is:

72805 = 51 × 145611

Now multiplying the highest exponent prime factors to calculate the LCM of 72787 and 72805.

LCM(72787,72805) = 111 × 131 × 5091 × 51 × 145611
LCM(72787,72805) = 5299257535