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What is the Least Common Multiple of 85901 and 85905?

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 85901 and 85905 is 7379325405.

LCM(85901,85905) = 7379325405

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Least Common Multiple of 85901 and 85905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85901 and 85905, than apply into the LCM equation.

GCF(85901,85905) = 1
LCM(85901,85905) = ( 85901 × 85905) / 1
LCM(85901,85905) = 7379325405 / 1
LCM(85901,85905) = 7379325405

Least Common Multiple (LCM) of 85901 and 85905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85901 and 85905. First we will calculate the prime factors of 85901 and 85905.

Prime Factorization of 85901

Prime factors of 85901 are 17, 31, 163. Prime factorization of 85901 in exponential form is:

85901 = 171 × 311 × 1631

Prime Factorization of 85905

Prime factors of 85905 are 3, 5, 23, 83. Prime factorization of 85905 in exponential form is:

85905 = 32 × 51 × 231 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 85901 and 85905.

LCM(85901,85905) = 171 × 311 × 1631 × 32 × 51 × 231 × 831
LCM(85901,85905) = 7379325405