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What is the Least Common Multiple of 65411 and 65428?

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 65411 and 65428 is 4279710908.

LCM(65411,65428) = 4279710908

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Least Common Multiple of 65411 and 65428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65411 and 65428, than apply into the LCM equation.

GCF(65411,65428) = 1
LCM(65411,65428) = ( 65411 × 65428) / 1
LCM(65411,65428) = 4279710908 / 1
LCM(65411,65428) = 4279710908

Least Common Multiple (LCM) of 65411 and 65428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65411 and 65428. First we will calculate the prime factors of 65411 and 65428.

Prime Factorization of 65411

Prime factors of 65411 are 149, 439. Prime factorization of 65411 in exponential form is:

65411 = 1491 × 4391

Prime Factorization of 65428

Prime factors of 65428 are 2, 11, 1487. Prime factorization of 65428 in exponential form is:

65428 = 22 × 111 × 14871

Now multiplying the highest exponent prime factors to calculate the LCM of 65411 and 65428.

LCM(65411,65428) = 1491 × 4391 × 22 × 111 × 14871
LCM(65411,65428) = 4279710908