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What is the Least Common Multiple of 65473 and 65487?

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 65473 and 65487 is 4287630351.

LCM(65473,65487) = 4287630351

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Least Common Multiple of 65473 and 65487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65473 and 65487, than apply into the LCM equation.

GCF(65473,65487) = 1
LCM(65473,65487) = ( 65473 × 65487) / 1
LCM(65473,65487) = 4287630351 / 1
LCM(65473,65487) = 4287630351

Least Common Multiple (LCM) of 65473 and 65487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65473 and 65487. First we will calculate the prime factors of 65473 and 65487.

Prime Factorization of 65473

Prime factors of 65473 are 233, 281. Prime factorization of 65473 in exponential form is:

65473 = 2331 × 2811

Prime Factorization of 65487

Prime factors of 65487 are 3, 83, 263. Prime factorization of 65487 in exponential form is:

65487 = 31 × 831 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 65473 and 65487.

LCM(65473,65487) = 2331 × 2811 × 31 × 831 × 2631
LCM(65473,65487) = 4287630351