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What is the Least Common Multiple of 404 and 414?

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 404 and 414 is 83628.

LCM(404,414) = 83628

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Least Common Multiple of 404 and 414 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 404 and 414, than apply into the LCM equation.

GCF(404,414) = 2
LCM(404,414) = ( 404 × 414) / 2
LCM(404,414) = 167256 / 2
LCM(404,414) = 83628

Least Common Multiple (LCM) of 404 and 414 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 404 and 414. First we will calculate the prime factors of 404 and 414.

Prime Factorization of 404

Prime factors of 404 are 2, 101. Prime factorization of 404 in exponential form is:

404 = 22 × 1011

Prime Factorization of 414

Prime factors of 414 are 2, 3, 23. Prime factorization of 414 in exponential form is:

414 = 21 × 32 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 404 and 414.

LCM(404,414) = 22 × 1011 × 32 × 231
LCM(404,414) = 83628