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What is the Least Common Multiple of 90821 and 90838?

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 90821 and 90838 is 8249997998.

LCM(90821,90838) = 8249997998

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Least Common Multiple of 90821 and 90838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90821 and 90838, than apply into the LCM equation.

GCF(90821,90838) = 1
LCM(90821,90838) = ( 90821 × 90838) / 1
LCM(90821,90838) = 8249997998 / 1
LCM(90821,90838) = 8249997998

Least Common Multiple (LCM) of 90821 and 90838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90821 and 90838. First we will calculate the prime factors of 90821 and 90838.

Prime Factorization of 90821

Prime factors of 90821 are 90821. Prime factorization of 90821 in exponential form is:

90821 = 908211

Prime Factorization of 90838

Prime factors of 90838 are 2, 11, 4129. Prime factorization of 90838 in exponential form is:

90838 = 21 × 111 × 41291

Now multiplying the highest exponent prime factors to calculate the LCM of 90821 and 90838.

LCM(90821,90838) = 908211 × 21 × 111 × 41291
LCM(90821,90838) = 8249997998