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What is the Least Common Multiple of 90983 and 90987?

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 90983 and 90987 is 8278270221.

LCM(90983,90987) = 8278270221

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Least Common Multiple of 90983 and 90987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90983 and 90987, than apply into the LCM equation.

GCF(90983,90987) = 1
LCM(90983,90987) = ( 90983 × 90987) / 1
LCM(90983,90987) = 8278270221 / 1
LCM(90983,90987) = 8278270221

Least Common Multiple (LCM) of 90983 and 90987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90983 and 90987. First we will calculate the prime factors of 90983 and 90987.

Prime Factorization of 90983

Prime factors of 90983 are 37, 2459. Prime factorization of 90983 in exponential form is:

90983 = 371 × 24591

Prime Factorization of 90987

Prime factors of 90987 are 3, 13, 2333. Prime factorization of 90987 in exponential form is:

90987 = 31 × 131 × 23331

Now multiplying the highest exponent prime factors to calculate the LCM of 90983 and 90987.

LCM(90983,90987) = 371 × 24591 × 31 × 131 × 23331
LCM(90983,90987) = 8278270221