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What is the Least Common Multiple of 72473 and 72485?

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 72473 and 72485 is 5253205405.

LCM(72473,72485) = 5253205405

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Least Common Multiple of 72473 and 72485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72473 and 72485, than apply into the LCM equation.

GCF(72473,72485) = 1
LCM(72473,72485) = ( 72473 × 72485) / 1
LCM(72473,72485) = 5253205405 / 1
LCM(72473,72485) = 5253205405

Least Common Multiple (LCM) of 72473 and 72485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72473 and 72485. First we will calculate the prime factors of 72473 and 72485.

Prime Factorization of 72473

Prime factors of 72473 are 23, 137. Prime factorization of 72473 in exponential form is:

72473 = 232 × 1371

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

Now multiplying the highest exponent prime factors to calculate the LCM of 72473 and 72485.

LCM(72473,72485) = 232 × 1371 × 51 × 71 × 191 × 1091
LCM(72473,72485) = 5253205405