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What is the Least Common Multiple of 66003 and 66020?

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 66003 and 66020 is 4357518060.

LCM(66003,66020) = 4357518060

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Least Common Multiple of 66003 and 66020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66003 and 66020, than apply into the LCM equation.

GCF(66003,66020) = 1
LCM(66003,66020) = ( 66003 × 66020) / 1
LCM(66003,66020) = 4357518060 / 1
LCM(66003,66020) = 4357518060

Least Common Multiple (LCM) of 66003 and 66020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66003 and 66020. First we will calculate the prime factors of 66003 and 66020.

Prime Factorization of 66003

Prime factors of 66003 are 3, 7, 449. Prime factorization of 66003 in exponential form is:

66003 = 31 × 72 × 4491

Prime Factorization of 66020

Prime factors of 66020 are 2, 5, 3301. Prime factorization of 66020 in exponential form is:

66020 = 22 × 51 × 33011

Now multiplying the highest exponent prime factors to calculate the LCM of 66003 and 66020.

LCM(66003,66020) = 31 × 72 × 4491 × 22 × 51 × 33011
LCM(66003,66020) = 4357518060