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What is the Least Common Multiple of 65428 and 65437?

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 65428 and 65437 is 4281412036.

LCM(65428,65437) = 4281412036

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Least Common Multiple of 65428 and 65437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65428 and 65437, than apply into the LCM equation.

GCF(65428,65437) = 1
LCM(65428,65437) = ( 65428 × 65437) / 1
LCM(65428,65437) = 4281412036 / 1
LCM(65428,65437) = 4281412036

Least Common Multiple (LCM) of 65428 and 65437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65428 and 65437. First we will calculate the prime factors of 65428 and 65437.

Prime Factorization of 65428

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

65428 = 22 × 111 × 14871

Prime Factorization of 65437

Prime factors of 65437 are 65437. Prime factorization of 65437 in exponential form is:

65437 = 654371

Now multiplying the highest exponent prime factors to calculate the LCM of 65428 and 65437.

LCM(65428,65437) = 22 × 111 × 14871 × 654371
LCM(65428,65437) = 4281412036