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What is the Least Common Multiple of 73530 and 73538?

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 73530 and 73538 is 2703624570.

LCM(73530,73538) = 2703624570

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Least Common Multiple of 73530 and 73538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73530 and 73538, than apply into the LCM equation.

GCF(73530,73538) = 2
LCM(73530,73538) = ( 73530 × 73538) / 2
LCM(73530,73538) = 5407249140 / 2
LCM(73530,73538) = 2703624570

Least Common Multiple (LCM) of 73530 and 73538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73530 and 73538. First we will calculate the prime factors of 73530 and 73538.

Prime Factorization of 73530

Prime factors of 73530 are 2, 3, 5, 19, 43. Prime factorization of 73530 in exponential form is:

73530 = 21 × 32 × 51 × 191 × 431

Prime Factorization of 73538

Prime factors of 73538 are 2, 83, 443. Prime factorization of 73538 in exponential form is:

73538 = 21 × 831 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 73530 and 73538.

LCM(73530,73538) = 21 × 32 × 51 × 191 × 431 × 831 × 4431
LCM(73530,73538) = 2703624570