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What is the Least Common Multiple of 66690 and 66695?

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 66690 and 66695 is 889577910.

LCM(66690,66695) = 889577910

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Least Common Multiple of 66690 and 66695 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66690 and 66695, than apply into the LCM equation.

GCF(66690,66695) = 5
LCM(66690,66695) = ( 66690 × 66695) / 5
LCM(66690,66695) = 4447889550 / 5
LCM(66690,66695) = 889577910

Least Common Multiple (LCM) of 66690 and 66695 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66690 and 66695. First we will calculate the prime factors of 66690 and 66695.

Prime Factorization of 66690

Prime factors of 66690 are 2, 3, 5, 13, 19. Prime factorization of 66690 in exponential form is:

66690 = 21 × 33 × 51 × 131 × 191

Prime Factorization of 66695

Prime factors of 66695 are 5, 13339. Prime factorization of 66695 in exponential form is:

66695 = 51 × 133391

Now multiplying the highest exponent prime factors to calculate the LCM of 66690 and 66695.

LCM(66690,66695) = 21 × 33 × 51 × 131 × 191 × 133391
LCM(66690,66695) = 889577910