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What is the Least Common Multiple of 90542 and 90549?

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 90542 and 90549 is 8198487558.

LCM(90542,90549) = 8198487558

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Least Common Multiple of 90542 and 90549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90542 and 90549, than apply into the LCM equation.

GCF(90542,90549) = 1
LCM(90542,90549) = ( 90542 × 90549) / 1
LCM(90542,90549) = 8198487558 / 1
LCM(90542,90549) = 8198487558

Least Common Multiple (LCM) of 90542 and 90549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90542 and 90549. First we will calculate the prime factors of 90542 and 90549.

Prime Factorization of 90542

Prime factors of 90542 are 2, 17, 2663. Prime factorization of 90542 in exponential form is:

90542 = 21 × 171 × 26631

Prime Factorization of 90549

Prime factors of 90549 are 3, 10061. Prime factorization of 90549 in exponential form is:

90549 = 32 × 100611

Now multiplying the highest exponent prime factors to calculate the LCM of 90542 and 90549.

LCM(90542,90549) = 21 × 171 × 26631 × 32 × 100611
LCM(90542,90549) = 8198487558