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What is the Least Common Multiple of 66619 and 66628?

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 66619 and 66628 is 4438690732.

LCM(66619,66628) = 4438690732

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Least Common Multiple of 66619 and 66628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66619 and 66628, than apply into the LCM equation.

GCF(66619,66628) = 1
LCM(66619,66628) = ( 66619 × 66628) / 1
LCM(66619,66628) = 4438690732 / 1
LCM(66619,66628) = 4438690732

Least Common Multiple (LCM) of 66619 and 66628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66619 and 66628. First we will calculate the prime factors of 66619 and 66628.

Prime Factorization of 66619

Prime factors of 66619 are 7, 31, 307. Prime factorization of 66619 in exponential form is:

66619 = 71 × 311 × 3071

Prime Factorization of 66628

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

66628 = 22 × 166571

Now multiplying the highest exponent prime factors to calculate the LCM of 66619 and 66628.

LCM(66619,66628) = 71 × 311 × 3071 × 22 × 166571
LCM(66619,66628) = 4438690732