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Least Common Multiple of 16 and 36

Least common multiple (LCM) of 16 and 36 is 144.

LCM(16,36) = 144

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.

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Least Common Multiple of 16 and 36 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16 and 36, than apply into the LCM equation.

GCF(16,36) = 4
LCM(16,36) = ( 16 × 36) / 4
LCM(16,36) = 576 / 4
LCM(16,36) = 144

Least Common Multiple (LCM) of 16 and 36 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16 and 36. First we will calculate the prime factors of 16 and 36.

Prime Factorization of 16

Prime factors of 16 are 2. Prime factorization of 16 in exponential form is:

16 = 24

Prime Factorization of 36

Prime factors of 36 are 2, 3. Prime factorization of 36 in exponential form is:

36 = 22 × 32

Now multiplying the highest exponent prime factors to calculate the LCM of 16 and 36.

LCM(16,36) = 24 × 32
LCM(16,36) = 144

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