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What is the Least Common Multiple of 66461 and 66481?

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 66461 and 66481 is 4418393741.

LCM(66461,66481) = 4418393741

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Least Common Multiple of 66461 and 66481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66461 and 66481, than apply into the LCM equation.

GCF(66461,66481) = 1
LCM(66461,66481) = ( 66461 × 66481) / 1
LCM(66461,66481) = 4418393741 / 1
LCM(66461,66481) = 4418393741

Least Common Multiple (LCM) of 66461 and 66481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66461 and 66481. First we will calculate the prime factors of 66461 and 66481.

Prime Factorization of 66461

Prime factors of 66461 are 41, 1621. Prime factorization of 66461 in exponential form is:

66461 = 411 × 16211

Prime Factorization of 66481

Prime factors of 66481 are 19, 3499. Prime factorization of 66481 in exponential form is:

66481 = 191 × 34991

Now multiplying the highest exponent prime factors to calculate the LCM of 66461 and 66481.

LCM(66461,66481) = 411 × 16211 × 191 × 34991
LCM(66461,66481) = 4418393741