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What is the Least Common Multiple of 66162 and 66170?

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 66162 and 66170 is 2188969770.

LCM(66162,66170) = 2188969770

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Least Common Multiple of 66162 and 66170 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66162 and 66170, than apply into the LCM equation.

GCF(66162,66170) = 2
LCM(66162,66170) = ( 66162 × 66170) / 2
LCM(66162,66170) = 4377939540 / 2
LCM(66162,66170) = 2188969770

Least Common Multiple (LCM) of 66162 and 66170 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66162 and 66170. First we will calculate the prime factors of 66162 and 66170.

Prime Factorization of 66162

Prime factors of 66162 are 2, 3, 11027. Prime factorization of 66162 in exponential form is:

66162 = 21 × 31 × 110271

Prime Factorization of 66170

Prime factors of 66170 are 2, 5, 13, 509. Prime factorization of 66170 in exponential form is:

66170 = 21 × 51 × 131 × 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 66162 and 66170.

LCM(66162,66170) = 21 × 31 × 110271 × 51 × 131 × 5091
LCM(66162,66170) = 2188969770