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What is the Least Common Multiple of 90627 and 90643?

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 90627 and 90643 is 8214703161.

LCM(90627,90643) = 8214703161

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Least Common Multiple of 90627 and 90643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90627 and 90643, than apply into the LCM equation.

GCF(90627,90643) = 1
LCM(90627,90643) = ( 90627 × 90643) / 1
LCM(90627,90643) = 8214703161 / 1
LCM(90627,90643) = 8214703161

Least Common Multiple (LCM) of 90627 and 90643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90627 and 90643. First we will calculate the prime factors of 90627 and 90643.

Prime Factorization of 90627

Prime factors of 90627 are 3, 17, 1777. Prime factorization of 90627 in exponential form is:

90627 = 31 × 171 × 17771

Prime Factorization of 90643

Prime factors of 90643 are 7, 23, 563. Prime factorization of 90643 in exponential form is:

90643 = 71 × 231 × 5631

Now multiplying the highest exponent prime factors to calculate the LCM of 90627 and 90643.

LCM(90627,90643) = 31 × 171 × 17771 × 71 × 231 × 5631
LCM(90627,90643) = 8214703161