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What is the Least Common Multiple of 82221 and 82240?

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 82221 and 82240 is 6761855040.

LCM(82221,82240) = 6761855040

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Least Common Multiple of 82221 and 82240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82221 and 82240, than apply into the LCM equation.

GCF(82221,82240) = 1
LCM(82221,82240) = ( 82221 × 82240) / 1
LCM(82221,82240) = 6761855040 / 1
LCM(82221,82240) = 6761855040

Least Common Multiple (LCM) of 82221 and 82240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82221 and 82240. First we will calculate the prime factors of 82221 and 82240.

Prime Factorization of 82221

Prime factors of 82221 are 3, 27407. Prime factorization of 82221 in exponential form is:

82221 = 31 × 274071

Prime Factorization of 82240

Prime factors of 82240 are 2, 5, 257. Prime factorization of 82240 in exponential form is:

82240 = 26 × 51 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 82221 and 82240.

LCM(82221,82240) = 31 × 274071 × 26 × 51 × 2571
LCM(82221,82240) = 6761855040