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What is the Least Common Multiple of 72029 and 72040?

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 72029 and 72040 is 5188969160.

LCM(72029,72040) = 5188969160

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Least Common Multiple of 72029 and 72040 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72029 and 72040, than apply into the LCM equation.

GCF(72029,72040) = 1
LCM(72029,72040) = ( 72029 × 72040) / 1
LCM(72029,72040) = 5188969160 / 1
LCM(72029,72040) = 5188969160

Least Common Multiple (LCM) of 72029 and 72040 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72029 and 72040. First we will calculate the prime factors of 72029 and 72040.

Prime Factorization of 72029

Prime factors of 72029 are 17, 19, 223. Prime factorization of 72029 in exponential form is:

72029 = 171 × 191 × 2231

Prime Factorization of 72040

Prime factors of 72040 are 2, 5, 1801. Prime factorization of 72040 in exponential form is:

72040 = 23 × 51 × 18011

Now multiplying the highest exponent prime factors to calculate the LCM of 72029 and 72040.

LCM(72029,72040) = 171 × 191 × 2231 × 23 × 51 × 18011
LCM(72029,72040) = 5188969160