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What is the Least Common Multiple of 90550 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 90550 and 90556 is 4099922900.

LCM(90550,90556) = 4099922900

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Least Common Multiple of 90550 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 90550 and 90556, than apply into the LCM equation.

GCF(90550,90556) = 2
LCM(90550,90556) = ( 90550 × 90556) / 2
LCM(90550,90556) = 8199845800 / 2
LCM(90550,90556) = 4099922900

Least Common Multiple (LCM) of 90550 and 90556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90550 and 90556. First we will calculate the prime factors of 90550 and 90556.

Prime Factorization of 90550

Prime factors of 90550 are 2, 5, 1811. Prime factorization of 90550 in exponential form is:

90550 = 21 × 52 × 18111

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 90550 and 90556.

LCM(90550,90556) = 22 × 52 × 18111 × 226391
LCM(90550,90556) = 4099922900