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What is the Least Common Multiple of 80457 and 80472?

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 80457 and 80472 is 2158178568.

LCM(80457,80472) = 2158178568

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Least Common Multiple of 80457 and 80472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80457 and 80472, than apply into the LCM equation.

GCF(80457,80472) = 3
LCM(80457,80472) = ( 80457 × 80472) / 3
LCM(80457,80472) = 6474535704 / 3
LCM(80457,80472) = 2158178568

Least Common Multiple (LCM) of 80457 and 80472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80457 and 80472. First we will calculate the prime factors of 80457 and 80472.

Prime Factorization of 80457

Prime factors of 80457 are 3, 13, 2063. Prime factorization of 80457 in exponential form is:

80457 = 31 × 131 × 20631

Prime Factorization of 80472

Prime factors of 80472 are 2, 3, 7, 479. Prime factorization of 80472 in exponential form is:

80472 = 23 × 31 × 71 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 80457 and 80472.

LCM(80457,80472) = 31 × 131 × 20631 × 23 × 71 × 4791
LCM(80457,80472) = 2158178568