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What is the Least Common Multiple of 72485 and 72496?

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 72485 and 72496 is 5254872560.

LCM(72485,72496) = 5254872560

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Least Common Multiple of 72485 and 72496 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72485 and 72496, than apply into the LCM equation.

GCF(72485,72496) = 1
LCM(72485,72496) = ( 72485 × 72496) / 1
LCM(72485,72496) = 5254872560 / 1
LCM(72485,72496) = 5254872560

Least Common Multiple (LCM) of 72485 and 72496 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72485 and 72496. First we will calculate the prime factors of 72485 and 72496.

Prime Factorization of 72485

Prime factors of 72485 are 5, 7, 19, 109. Prime factorization of 72485 in exponential form is:

72485 = 51 × 71 × 191 × 1091

Prime Factorization of 72496

Prime factors of 72496 are 2, 23, 197. Prime factorization of 72496 in exponential form is:

72496 = 24 × 231 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 72485 and 72496.

LCM(72485,72496) = 51 × 71 × 191 × 1091 × 24 × 231 × 1971
LCM(72485,72496) = 5254872560