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What is the Least Common Multiple of 90672 and 90685?

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 90672 and 90685 is 8222590320.

LCM(90672,90685) = 8222590320

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Least Common Multiple of 90672 and 90685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90672 and 90685, than apply into the LCM equation.

GCF(90672,90685) = 1
LCM(90672,90685) = ( 90672 × 90685) / 1
LCM(90672,90685) = 8222590320 / 1
LCM(90672,90685) = 8222590320

Least Common Multiple (LCM) of 90672 and 90685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90672 and 90685. First we will calculate the prime factors of 90672 and 90685.

Prime Factorization of 90672

Prime factors of 90672 are 2, 3, 1889. Prime factorization of 90672 in exponential form is:

90672 = 24 × 31 × 18891

Prime Factorization of 90685

Prime factors of 90685 are 5, 7, 2591. Prime factorization of 90685 in exponential form is:

90685 = 51 × 71 × 25911

Now multiplying the highest exponent prime factors to calculate the LCM of 90672 and 90685.

LCM(90672,90685) = 24 × 31 × 18891 × 51 × 71 × 25911
LCM(90672,90685) = 8222590320