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What is the Least Common Multiple of 16212 and 16220?

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 16212 and 16220 is 65739660.

LCM(16212,16220) = 65739660

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Least Common Multiple of 16212 and 16220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16212 and 16220, than apply into the LCM equation.

GCF(16212,16220) = 4
LCM(16212,16220) = ( 16212 × 16220) / 4
LCM(16212,16220) = 262958640 / 4
LCM(16212,16220) = 65739660

Least Common Multiple (LCM) of 16212 and 16220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16212 and 16220. First we will calculate the prime factors of 16212 and 16220.

Prime Factorization of 16212

Prime factors of 16212 are 2, 3, 7, 193. Prime factorization of 16212 in exponential form is:

16212 = 22 × 31 × 71 × 1931

Prime Factorization of 16220

Prime factors of 16220 are 2, 5, 811. Prime factorization of 16220 in exponential form is:

16220 = 22 × 51 × 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 16212 and 16220.

LCM(16212,16220) = 22 × 31 × 71 × 1931 × 51 × 8111
LCM(16212,16220) = 65739660