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What is the Least Common Multiple of 66975 and 66988?

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 66975 and 66988 is 4486521300.

LCM(66975,66988) = 4486521300

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Least Common Multiple of 66975 and 66988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66975 and 66988, than apply into the LCM equation.

GCF(66975,66988) = 1
LCM(66975,66988) = ( 66975 × 66988) / 1
LCM(66975,66988) = 4486521300 / 1
LCM(66975,66988) = 4486521300

Least Common Multiple (LCM) of 66975 and 66988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66975 and 66988. First we will calculate the prime factors of 66975 and 66988.

Prime Factorization of 66975

Prime factors of 66975 are 3, 5, 19, 47. Prime factorization of 66975 in exponential form is:

66975 = 31 × 52 × 191 × 471

Prime Factorization of 66988

Prime factors of 66988 are 2, 16747. Prime factorization of 66988 in exponential form is:

66988 = 22 × 167471

Now multiplying the highest exponent prime factors to calculate the LCM of 66975 and 66988.

LCM(66975,66988) = 31 × 52 × 191 × 471 × 22 × 167471
LCM(66975,66988) = 4486521300