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What is the Least Common Multiple of 90545 and 90556?

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 90545 and 90556 is 8199393020.

LCM(90545,90556) = 8199393020

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Least Common Multiple of 90545 and 90556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90545 and 90556, than apply into the LCM equation.

GCF(90545,90556) = 1
LCM(90545,90556) = ( 90545 × 90556) / 1
LCM(90545,90556) = 8199393020 / 1
LCM(90545,90556) = 8199393020

Least Common Multiple (LCM) of 90545 and 90556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90545 and 90556. First we will calculate the prime factors of 90545 and 90556.

Prime Factorization of 90545

Prime factors of 90545 are 5, 7, 13, 199. Prime factorization of 90545 in exponential form is:

90545 = 51 × 71 × 131 × 1991

Prime Factorization of 90556

Prime factors of 90556 are 2, 22639. Prime factorization of 90556 in exponential form is:

90556 = 22 × 226391

Now multiplying the highest exponent prime factors to calculate the LCM of 90545 and 90556.

LCM(90545,90556) = 51 × 71 × 131 × 1991 × 22 × 226391
LCM(90545,90556) = 8199393020