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What is the Least Common Multiple of 4209 and 4219?

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 4209 and 4219 is 17757771.

LCM(4209,4219) = 17757771

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Least Common Multiple of 4209 and 4219 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4209 and 4219, than apply into the LCM equation.

GCF(4209,4219) = 1
LCM(4209,4219) = ( 4209 × 4219) / 1
LCM(4209,4219) = 17757771 / 1
LCM(4209,4219) = 17757771

Least Common Multiple (LCM) of 4209 and 4219 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4209 and 4219. First we will calculate the prime factors of 4209 and 4219.

Prime Factorization of 4209

Prime factors of 4209 are 3, 23, 61. Prime factorization of 4209 in exponential form is:

4209 = 31 × 231 × 611

Prime Factorization of 4219

Prime factors of 4219 are 4219. Prime factorization of 4219 in exponential form is:

4219 = 42191

Now multiplying the highest exponent prime factors to calculate the LCM of 4209 and 4219.

LCM(4209,4219) = 31 × 231 × 611 × 42191
LCM(4209,4219) = 17757771