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What is the Least Common Multiple of 90221 and 90228?

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 90221 and 90228 is 8140460388.

LCM(90221,90228) = 8140460388

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Least Common Multiple of 90221 and 90228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90221 and 90228, than apply into the LCM equation.

GCF(90221,90228) = 1
LCM(90221,90228) = ( 90221 × 90228) / 1
LCM(90221,90228) = 8140460388 / 1
LCM(90221,90228) = 8140460388

Least Common Multiple (LCM) of 90221 and 90228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90221 and 90228. First we will calculate the prime factors of 90221 and 90228.

Prime Factorization of 90221

Prime factors of 90221 are 83, 1087. Prime factorization of 90221 in exponential form is:

90221 = 831 × 10871

Prime Factorization of 90228

Prime factors of 90228 are 2, 3, 73, 103. Prime factorization of 90228 in exponential form is:

90228 = 22 × 31 × 731 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 90221 and 90228.

LCM(90221,90228) = 831 × 10871 × 22 × 31 × 731 × 1031
LCM(90221,90228) = 8140460388