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What is the Least Common Multiple of 66555 and 66568?

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 66555 and 66568 is 4430433240.

LCM(66555,66568) = 4430433240

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Least Common Multiple of 66555 and 66568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66555 and 66568, than apply into the LCM equation.

GCF(66555,66568) = 1
LCM(66555,66568) = ( 66555 × 66568) / 1
LCM(66555,66568) = 4430433240 / 1
LCM(66555,66568) = 4430433240

Least Common Multiple (LCM) of 66555 and 66568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66555 and 66568. First we will calculate the prime factors of 66555 and 66568.

Prime Factorization of 66555

Prime factors of 66555 are 3, 5, 17, 29. Prime factorization of 66555 in exponential form is:

66555 = 33 × 51 × 171 × 291

Prime Factorization of 66568

Prime factors of 66568 are 2, 53, 157. Prime factorization of 66568 in exponential form is:

66568 = 23 × 531 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 66555 and 66568.

LCM(66555,66568) = 33 × 51 × 171 × 291 × 23 × 531 × 1571
LCM(66555,66568) = 4430433240