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What is the Least Common Multiple of 90545 and 90550?

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 90550 is 1639769950.

LCM(90545,90550) = 1639769950

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Least Common Multiple of 90545 and 90550 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 90550, than apply into the LCM equation.

GCF(90545,90550) = 5
LCM(90545,90550) = ( 90545 × 90550) / 5
LCM(90545,90550) = 8198849750 / 5
LCM(90545,90550) = 1639769950

Least Common Multiple (LCM) of 90545 and 90550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90545 and 90550. First we will calculate the prime factors of 90545 and 90550.

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 90550

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

90550 = 21 × 52 × 18111

Now multiplying the highest exponent prime factors to calculate the LCM of 90545 and 90550.

LCM(90545,90550) = 52 × 71 × 131 × 1991 × 21 × 18111
LCM(90545,90550) = 1639769950