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What is the Least Common Multiple of 80478 and 80485?

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 80478 and 80485 is 6477271830.

LCM(80478,80485) = 6477271830

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Least Common Multiple of 80478 and 80485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80478 and 80485, than apply into the LCM equation.

GCF(80478,80485) = 1
LCM(80478,80485) = ( 80478 × 80485) / 1
LCM(80478,80485) = 6477271830 / 1
LCM(80478,80485) = 6477271830

Least Common Multiple (LCM) of 80478 and 80485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80478 and 80485. First we will calculate the prime factors of 80478 and 80485.

Prime Factorization of 80478

Prime factors of 80478 are 2, 3, 17, 263. Prime factorization of 80478 in exponential form is:

80478 = 21 × 32 × 171 × 2631

Prime Factorization of 80485

Prime factors of 80485 are 5, 16097. Prime factorization of 80485 in exponential form is:

80485 = 51 × 160971

Now multiplying the highest exponent prime factors to calculate the LCM of 80478 and 80485.

LCM(80478,80485) = 21 × 32 × 171 × 2631 × 51 × 160971
LCM(80478,80485) = 6477271830