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What is the Least Common Multiple of 4186 and 4205?

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 4186 and 4205 is 17602130.

LCM(4186,4205) = 17602130

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Least Common Multiple of 4186 and 4205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4186 and 4205, than apply into the LCM equation.

GCF(4186,4205) = 1
LCM(4186,4205) = ( 4186 × 4205) / 1
LCM(4186,4205) = 17602130 / 1
LCM(4186,4205) = 17602130

Least Common Multiple (LCM) of 4186 and 4205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4186 and 4205. First we will calculate the prime factors of 4186 and 4205.

Prime Factorization of 4186

Prime factors of 4186 are 2, 7, 13, 23. Prime factorization of 4186 in exponential form is:

4186 = 21 × 71 × 131 × 231

Prime Factorization of 4205

Prime factors of 4205 are 5, 29. Prime factorization of 4205 in exponential form is:

4205 = 51 × 292

Now multiplying the highest exponent prime factors to calculate the LCM of 4186 and 4205.

LCM(4186,4205) = 21 × 71 × 131 × 231 × 51 × 292
LCM(4186,4205) = 17602130