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What is the Least Common Multiple of 90247 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 90247 and 90257 is 8145423479.

LCM(90247,90257) = 8145423479

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Least Common Multiple of 90247 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 90247 and 90257, than apply into the LCM equation.

GCF(90247,90257) = 1
LCM(90247,90257) = ( 90247 × 90257) / 1
LCM(90247,90257) = 8145423479 / 1
LCM(90247,90257) = 8145423479

Least Common Multiple (LCM) of 90247 and 90257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90247 and 90257. First we will calculate the prime factors of 90247 and 90257.

Prime Factorization of 90247

Prime factors of 90247 are 90247. Prime factorization of 90247 in exponential form is:

90247 = 902471

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 90247 and 90257.

LCM(90247,90257) = 902471 × 431 × 20991
LCM(90247,90257) = 8145423479