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What is the Least Common Multiple of 90455 and 90474?

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 90455 and 90474 is 8183825670.

LCM(90455,90474) = 8183825670

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Least Common Multiple of 90455 and 90474 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90455 and 90474, than apply into the LCM equation.

GCF(90455,90474) = 1
LCM(90455,90474) = ( 90455 × 90474) / 1
LCM(90455,90474) = 8183825670 / 1
LCM(90455,90474) = 8183825670

Least Common Multiple (LCM) of 90455 and 90474 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90455 and 90474. First we will calculate the prime factors of 90455 and 90474.

Prime Factorization of 90455

Prime factors of 90455 are 5, 79, 229. Prime factorization of 90455 in exponential form is:

90455 = 51 × 791 × 2291

Prime Factorization of 90474

Prime factors of 90474 are 2, 3, 17, 887. Prime factorization of 90474 in exponential form is:

90474 = 21 × 31 × 171 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 90455 and 90474.

LCM(90455,90474) = 51 × 791 × 2291 × 21 × 31 × 171 × 8871
LCM(90455,90474) = 8183825670