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What is the Least Common Multiple of 90634 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 90634 and 90643 is 8215337662.

LCM(90634,90643) = 8215337662

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Least Common Multiple of 90634 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 90634 and 90643, than apply into the LCM equation.

GCF(90634,90643) = 1
LCM(90634,90643) = ( 90634 × 90643) / 1
LCM(90634,90643) = 8215337662 / 1
LCM(90634,90643) = 8215337662

Least Common Multiple (LCM) of 90634 and 90643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90634 and 90643. First we will calculate the prime factors of 90634 and 90643.

Prime Factorization of 90634

Prime factors of 90634 are 2, 45317. Prime factorization of 90634 in exponential form is:

90634 = 21 × 453171

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 90634 and 90643.

LCM(90634,90643) = 21 × 453171 × 71 × 231 × 5631
LCM(90634,90643) = 8215337662