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What is the Least Common Multiple of 38216 and 38221?

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 38216 and 38221 is 1460653736.

LCM(38216,38221) = 1460653736

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Least Common Multiple of 38216 and 38221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38216 and 38221, than apply into the LCM equation.

GCF(38216,38221) = 1
LCM(38216,38221) = ( 38216 × 38221) / 1
LCM(38216,38221) = 1460653736 / 1
LCM(38216,38221) = 1460653736

Least Common Multiple (LCM) of 38216 and 38221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38216 and 38221. First we will calculate the prime factors of 38216 and 38221.

Prime Factorization of 38216

Prime factors of 38216 are 2, 17, 281. Prime factorization of 38216 in exponential form is:

38216 = 23 × 171 × 2811

Prime Factorization of 38221

Prime factors of 38221 are 37, 1033. Prime factorization of 38221 in exponential form is:

38221 = 371 × 10331

Now multiplying the highest exponent prime factors to calculate the LCM of 38216 and 38221.

LCM(38216,38221) = 23 × 171 × 2811 × 371 × 10331
LCM(38216,38221) = 1460653736