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What is the Least Common Multiple of 90801 and 90815?

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 90801 and 90815 is 8246092815.

LCM(90801,90815) = 8246092815

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Least Common Multiple of 90801 and 90815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90801 and 90815, than apply into the LCM equation.

GCF(90801,90815) = 1
LCM(90801,90815) = ( 90801 × 90815) / 1
LCM(90801,90815) = 8246092815 / 1
LCM(90801,90815) = 8246092815

Least Common Multiple (LCM) of 90801 and 90815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90801 and 90815. First we will calculate the prime factors of 90801 and 90815.

Prime Factorization of 90801

Prime factors of 90801 are 3, 19, 59. Prime factorization of 90801 in exponential form is:

90801 = 34 × 191 × 591

Prime Factorization of 90815

Prime factors of 90815 are 5, 41, 443. Prime factorization of 90815 in exponential form is:

90815 = 51 × 411 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 90801 and 90815.

LCM(90801,90815) = 34 × 191 × 591 × 51 × 411 × 4431
LCM(90801,90815) = 8246092815