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What is the Least Common Multiple of 72845 and 72850?

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 72845 and 72850 is 1061351650.

LCM(72845,72850) = 1061351650

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Least Common Multiple of 72845 and 72850 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72845 and 72850, than apply into the LCM equation.

GCF(72845,72850) = 5
LCM(72845,72850) = ( 72845 × 72850) / 5
LCM(72845,72850) = 5306758250 / 5
LCM(72845,72850) = 1061351650

Least Common Multiple (LCM) of 72845 and 72850 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72845 and 72850. First we will calculate the prime factors of 72845 and 72850.

Prime Factorization of 72845

Prime factors of 72845 are 5, 17, 857. Prime factorization of 72845 in exponential form is:

72845 = 51 × 171 × 8571

Prime Factorization of 72850

Prime factors of 72850 are 2, 5, 31, 47. Prime factorization of 72850 in exponential form is:

72850 = 21 × 52 × 311 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 72845 and 72850.

LCM(72845,72850) = 52 × 171 × 8571 × 21 × 311 × 471
LCM(72845,72850) = 1061351650