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What is the Least Common Multiple of 90804 and 90818?

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 90804 and 90818 is 589045548.

LCM(90804,90818) = 589045548

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Least Common Multiple of 90804 and 90818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90804 and 90818, than apply into the LCM equation.

GCF(90804,90818) = 14
LCM(90804,90818) = ( 90804 × 90818) / 14
LCM(90804,90818) = 8246637672 / 14
LCM(90804,90818) = 589045548

Least Common Multiple (LCM) of 90804 and 90818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90804 and 90818. First we will calculate the prime factors of 90804 and 90818.

Prime Factorization of 90804

Prime factors of 90804 are 2, 3, 7, 23, 47. Prime factorization of 90804 in exponential form is:

90804 = 22 × 31 × 71 × 231 × 471

Prime Factorization of 90818

Prime factors of 90818 are 2, 7, 13, 499. Prime factorization of 90818 in exponential form is:

90818 = 21 × 71 × 131 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 90804 and 90818.

LCM(90804,90818) = 22 × 31 × 71 × 231 × 471 × 131 × 4991
LCM(90804,90818) = 589045548