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What is the Least Common Multiple of 412 and 428?

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 428 is 44084.

LCM(412,428) = 44084

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Least Common Multiple of 412 and 428 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 428, than apply into the LCM equation.

GCF(412,428) = 4
LCM(412,428) = ( 412 × 428) / 4
LCM(412,428) = 176336 / 4
LCM(412,428) = 44084

Least Common Multiple (LCM) of 412 and 428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 412 and 428. First we will calculate the prime factors of 412 and 428.

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 428

Prime factors of 428 are 2, 107. Prime factorization of 428 in exponential form is:

428 = 22 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 412 and 428.

LCM(412,428) = 22 × 1031 × 1071
LCM(412,428) = 44084