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What is the Least Common Multiple of 40205 and 40213?

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 40205 and 40213 is 1616763665.

LCM(40205,40213) = 1616763665

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Least Common Multiple of 40205 and 40213 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40205 and 40213, than apply into the LCM equation.

GCF(40205,40213) = 1
LCM(40205,40213) = ( 40205 × 40213) / 1
LCM(40205,40213) = 1616763665 / 1
LCM(40205,40213) = 1616763665

Least Common Multiple (LCM) of 40205 and 40213 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40205 and 40213. First we will calculate the prime factors of 40205 and 40213.

Prime Factorization of 40205

Prime factors of 40205 are 5, 11, 17, 43. Prime factorization of 40205 in exponential form is:

40205 = 51 × 111 × 171 × 431

Prime Factorization of 40213

Prime factors of 40213 are 40213. Prime factorization of 40213 in exponential form is:

40213 = 402131

Now multiplying the highest exponent prime factors to calculate the LCM of 40205 and 40213.

LCM(40205,40213) = 51 × 111 × 171 × 431 × 402131
LCM(40205,40213) = 1616763665