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What is the Least Common Multiple of 66105 and 66121?

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 66105 and 66121 is 4370928705.

LCM(66105,66121) = 4370928705

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Least Common Multiple of 66105 and 66121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66105 and 66121, than apply into the LCM equation.

GCF(66105,66121) = 1
LCM(66105,66121) = ( 66105 × 66121) / 1
LCM(66105,66121) = 4370928705 / 1
LCM(66105,66121) = 4370928705

Least Common Multiple (LCM) of 66105 and 66121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66105 and 66121. First we will calculate the prime factors of 66105 and 66121.

Prime Factorization of 66105

Prime factors of 66105 are 3, 5, 13, 113. Prime factorization of 66105 in exponential form is:

66105 = 32 × 51 × 131 × 1131

Prime Factorization of 66121

Prime factors of 66121 are 11, 6011. Prime factorization of 66121 in exponential form is:

66121 = 111 × 60111

Now multiplying the highest exponent prime factors to calculate the LCM of 66105 and 66121.

LCM(66105,66121) = 32 × 51 × 131 × 1131 × 111 × 60111
LCM(66105,66121) = 4370928705