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What is the Least Common Multiple of 47221 and 47240?

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 47221 and 47240 is 2230720040.

LCM(47221,47240) = 2230720040

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Least Common Multiple of 47221 and 47240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47221 and 47240, than apply into the LCM equation.

GCF(47221,47240) = 1
LCM(47221,47240) = ( 47221 × 47240) / 1
LCM(47221,47240) = 2230720040 / 1
LCM(47221,47240) = 2230720040

Least Common Multiple (LCM) of 47221 and 47240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47221 and 47240. First we will calculate the prime factors of 47221 and 47240.

Prime Factorization of 47221

Prime factors of 47221 are 47221. Prime factorization of 47221 in exponential form is:

47221 = 472211

Prime Factorization of 47240

Prime factors of 47240 are 2, 5, 1181. Prime factorization of 47240 in exponential form is:

47240 = 23 × 51 × 11811

Now multiplying the highest exponent prime factors to calculate the LCM of 47221 and 47240.

LCM(47221,47240) = 472211 × 23 × 51 × 11811
LCM(47221,47240) = 2230720040