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What is the Least Common Multiple of 90558 and 90565?

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 90558 and 90565 is 8201385270.

LCM(90558,90565) = 8201385270

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Least Common Multiple of 90558 and 90565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90558 and 90565, than apply into the LCM equation.

GCF(90558,90565) = 1
LCM(90558,90565) = ( 90558 × 90565) / 1
LCM(90558,90565) = 8201385270 / 1
LCM(90558,90565) = 8201385270

Least Common Multiple (LCM) of 90558 and 90565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90558 and 90565. First we will calculate the prime factors of 90558 and 90565.

Prime Factorization of 90558

Prime factors of 90558 are 2, 3, 13, 43. Prime factorization of 90558 in exponential form is:

90558 = 21 × 34 × 131 × 431

Prime Factorization of 90565

Prime factors of 90565 are 5, 59, 307. Prime factorization of 90565 in exponential form is:

90565 = 51 × 591 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 90558 and 90565.

LCM(90558,90565) = 21 × 34 × 131 × 431 × 51 × 591 × 3071
LCM(90558,90565) = 8201385270