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What is the Least Common Multiple of 72854 and 72862?

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 72854 and 72862 is 2654144074.

LCM(72854,72862) = 2654144074

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Least Common Multiple of 72854 and 72862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72854 and 72862, than apply into the LCM equation.

GCF(72854,72862) = 2
LCM(72854,72862) = ( 72854 × 72862) / 2
LCM(72854,72862) = 5308288148 / 2
LCM(72854,72862) = 2654144074

Least Common Multiple (LCM) of 72854 and 72862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72854 and 72862. First we will calculate the prime factors of 72854 and 72862.

Prime Factorization of 72854

Prime factors of 72854 are 2, 73, 499. Prime factorization of 72854 in exponential form is:

72854 = 21 × 731 × 4991

Prime Factorization of 72862

Prime factors of 72862 are 2, 17, 2143. Prime factorization of 72862 in exponential form is:

72862 = 21 × 171 × 21431

Now multiplying the highest exponent prime factors to calculate the LCM of 72854 and 72862.

LCM(72854,72862) = 21 × 731 × 4991 × 171 × 21431
LCM(72854,72862) = 2654144074