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What is the Least Common Multiple of 416 and 432?

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 416 and 432 is 11232.

LCM(416,432) = 11232

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Least Common Multiple of 416 and 432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 416 and 432, than apply into the LCM equation.

GCF(416,432) = 16
LCM(416,432) = ( 416 × 432) / 16
LCM(416,432) = 179712 / 16
LCM(416,432) = 11232

Least Common Multiple (LCM) of 416 and 432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 416 and 432. First we will calculate the prime factors of 416 and 432.

Prime Factorization of 416

Prime factors of 416 are 2, 13. Prime factorization of 416 in exponential form is:

416 = 25 × 131

Prime Factorization of 432

Prime factors of 432 are 2, 3. Prime factorization of 432 in exponential form is:

432 = 24 × 33

Now multiplying the highest exponent prime factors to calculate the LCM of 416 and 432.

LCM(416,432) = 25 × 131 × 33
LCM(416,432) = 11232