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What is the Least Common Multiple of 412 and 423?

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 412 and 423 is 174276.

LCM(412,423) = 174276

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Least Common Multiple of 412 and 423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 412 and 423, than apply into the LCM equation.

GCF(412,423) = 1
LCM(412,423) = ( 412 × 423) / 1
LCM(412,423) = 174276 / 1
LCM(412,423) = 174276

Least Common Multiple (LCM) of 412 and 423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 412 and 423. First we will calculate the prime factors of 412 and 423.

Prime Factorization of 412

Prime factors of 412 are 2, 103. Prime factorization of 412 in exponential form is:

412 = 22 × 1031

Prime Factorization of 423

Prime factors of 423 are 3, 47. Prime factorization of 423 in exponential form is:

423 = 32 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 412 and 423.

LCM(412,423) = 22 × 1031 × 32 × 471
LCM(412,423) = 174276