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What is the Least Common Multiple of 90838 and 90856?

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 90838 and 90856 is 4126588664.

LCM(90838,90856) = 4126588664

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Least Common Multiple of 90838 and 90856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90838 and 90856, than apply into the LCM equation.

GCF(90838,90856) = 2
LCM(90838,90856) = ( 90838 × 90856) / 2
LCM(90838,90856) = 8253177328 / 2
LCM(90838,90856) = 4126588664

Least Common Multiple (LCM) of 90838 and 90856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90838 and 90856. First we will calculate the prime factors of 90838 and 90856.

Prime Factorization of 90838

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

90838 = 21 × 111 × 41291

Prime Factorization of 90856

Prime factors of 90856 are 2, 41, 277. Prime factorization of 90856 in exponential form is:

90856 = 23 × 411 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 90838 and 90856.

LCM(90838,90856) = 23 × 111 × 41291 × 411 × 2771
LCM(90838,90856) = 4126588664