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What is the Least Common Multiple of 66628 and 66645?

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 66628 and 66645 is 4440423060.

LCM(66628,66645) = 4440423060

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Least Common Multiple of 66628 and 66645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66628 and 66645, than apply into the LCM equation.

GCF(66628,66645) = 1
LCM(66628,66645) = ( 66628 × 66645) / 1
LCM(66628,66645) = 4440423060 / 1
LCM(66628,66645) = 4440423060

Least Common Multiple (LCM) of 66628 and 66645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66628 and 66645. First we will calculate the prime factors of 66628 and 66645.

Prime Factorization of 66628

Prime factors of 66628 are 2, 16657. Prime factorization of 66628 in exponential form is:

66628 = 22 × 166571

Prime Factorization of 66645

Prime factors of 66645 are 3, 5, 1481. Prime factorization of 66645 in exponential form is:

66645 = 32 × 51 × 14811

Now multiplying the highest exponent prime factors to calculate the LCM of 66628 and 66645.

LCM(66628,66645) = 22 × 166571 × 32 × 51 × 14811
LCM(66628,66645) = 4440423060