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What is the Least Common Multiple of 90532 and 90540?

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 90532 and 90540 is 2049191820.

LCM(90532,90540) = 2049191820

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Least Common Multiple of 90532 and 90540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90532 and 90540, than apply into the LCM equation.

GCF(90532,90540) = 4
LCM(90532,90540) = ( 90532 × 90540) / 4
LCM(90532,90540) = 8196767280 / 4
LCM(90532,90540) = 2049191820

Least Common Multiple (LCM) of 90532 and 90540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90532 and 90540. First we will calculate the prime factors of 90532 and 90540.

Prime Factorization of 90532

Prime factors of 90532 are 2, 13, 1741. Prime factorization of 90532 in exponential form is:

90532 = 22 × 131 × 17411

Prime Factorization of 90540

Prime factors of 90540 are 2, 3, 5, 503. Prime factorization of 90540 in exponential form is:

90540 = 22 × 32 × 51 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 90532 and 90540.

LCM(90532,90540) = 22 × 131 × 17411 × 32 × 51 × 5031
LCM(90532,90540) = 2049191820