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What is the Least Common Multiple of 54562 and 54578?

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 54562 and 54578 is 1488942418.

LCM(54562,54578) = 1488942418

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Least Common Multiple of 54562 and 54578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54562 and 54578, than apply into the LCM equation.

GCF(54562,54578) = 2
LCM(54562,54578) = ( 54562 × 54578) / 2
LCM(54562,54578) = 2977884836 / 2
LCM(54562,54578) = 1488942418

Least Common Multiple (LCM) of 54562 and 54578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54562 and 54578. First we will calculate the prime factors of 54562 and 54578.

Prime Factorization of 54562

Prime factors of 54562 are 2, 27281. Prime factorization of 54562 in exponential form is:

54562 = 21 × 272811

Prime Factorization of 54578

Prime factors of 54578 are 2, 29, 941. Prime factorization of 54578 in exponential form is:

54578 = 21 × 291 × 9411

Now multiplying the highest exponent prime factors to calculate the LCM of 54562 and 54578.

LCM(54562,54578) = 21 × 272811 × 291 × 9411
LCM(54562,54578) = 1488942418