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What is the Least Common Multiple of 80440 and 80457?

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 80440 and 80457 is 6471961080.

LCM(80440,80457) = 6471961080

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Least Common Multiple of 80440 and 80457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80440 and 80457, than apply into the LCM equation.

GCF(80440,80457) = 1
LCM(80440,80457) = ( 80440 × 80457) / 1
LCM(80440,80457) = 6471961080 / 1
LCM(80440,80457) = 6471961080

Least Common Multiple (LCM) of 80440 and 80457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80440 and 80457. First we will calculate the prime factors of 80440 and 80457.

Prime Factorization of 80440

Prime factors of 80440 are 2, 5, 2011. Prime factorization of 80440 in exponential form is:

80440 = 23 × 51 × 20111

Prime Factorization of 80457

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

80457 = 31 × 131 × 20631

Now multiplying the highest exponent prime factors to calculate the LCM of 80440 and 80457.

LCM(80440,80457) = 23 × 51 × 20111 × 31 × 131 × 20631
LCM(80440,80457) = 6471961080