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What is the Least Common Multiple of 72605 and 72611?

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 72605 and 72611 is 5271921655.

LCM(72605,72611) = 5271921655

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Least Common Multiple of 72605 and 72611 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72605 and 72611, than apply into the LCM equation.

GCF(72605,72611) = 1
LCM(72605,72611) = ( 72605 × 72611) / 1
LCM(72605,72611) = 5271921655 / 1
LCM(72605,72611) = 5271921655

Least Common Multiple (LCM) of 72605 and 72611 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72605 and 72611. First we will calculate the prime factors of 72605 and 72611.

Prime Factorization of 72605

Prime factors of 72605 are 5, 13, 1117. Prime factorization of 72605 in exponential form is:

72605 = 51 × 131 × 11171

Prime Factorization of 72611

Prime factors of 72611 are 7, 11, 23, 41. Prime factorization of 72611 in exponential form is:

72611 = 71 × 111 × 231 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 72605 and 72611.

LCM(72605,72611) = 51 × 131 × 11171 × 71 × 111 × 231 × 411
LCM(72605,72611) = 5271921655