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What is the Least Common Multiple of 72245 and 72261?

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 72245 and 72261 is 5220495945.

LCM(72245,72261) = 5220495945

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Least Common Multiple of 72245 and 72261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72245 and 72261, than apply into the LCM equation.

GCF(72245,72261) = 1
LCM(72245,72261) = ( 72245 × 72261) / 1
LCM(72245,72261) = 5220495945 / 1
LCM(72245,72261) = 5220495945

Least Common Multiple (LCM) of 72245 and 72261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72245 and 72261. First we will calculate the prime factors of 72245 and 72261.

Prime Factorization of 72245

Prime factors of 72245 are 5, 14449. Prime factorization of 72245 in exponential form is:

72245 = 51 × 144491

Prime Factorization of 72261

Prime factors of 72261 are 3, 7, 31, 37. Prime factorization of 72261 in exponential form is:

72261 = 32 × 71 × 311 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 72245 and 72261.

LCM(72245,72261) = 51 × 144491 × 32 × 71 × 311 × 371
LCM(72245,72261) = 5220495945