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What is the Least Common Multiple of 90248 and 90257?

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 90248 and 90257 is 8145513736.

LCM(90248,90257) = 8145513736

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Least Common Multiple of 90248 and 90257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90248 and 90257, than apply into the LCM equation.

GCF(90248,90257) = 1
LCM(90248,90257) = ( 90248 × 90257) / 1
LCM(90248,90257) = 8145513736 / 1
LCM(90248,90257) = 8145513736

Least Common Multiple (LCM) of 90248 and 90257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90248 and 90257. First we will calculate the prime factors of 90248 and 90257.

Prime Factorization of 90248

Prime factors of 90248 are 2, 29, 389. Prime factorization of 90248 in exponential form is:

90248 = 23 × 291 × 3891

Prime Factorization of 90257

Prime factors of 90257 are 43, 2099. Prime factorization of 90257 in exponential form is:

90257 = 431 × 20991

Now multiplying the highest exponent prime factors to calculate the LCM of 90248 and 90257.

LCM(90248,90257) = 23 × 291 × 3891 × 431 × 20991
LCM(90248,90257) = 8145513736