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What is the Least Common Multiple of 72890 and 72899?

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 72890 and 72899 is 5313608110.

LCM(72890,72899) = 5313608110

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Least Common Multiple of 72890 and 72899 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72890 and 72899, than apply into the LCM equation.

GCF(72890,72899) = 1
LCM(72890,72899) = ( 72890 × 72899) / 1
LCM(72890,72899) = 5313608110 / 1
LCM(72890,72899) = 5313608110

Least Common Multiple (LCM) of 72890 and 72899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72890 and 72899. First we will calculate the prime factors of 72890 and 72899.

Prime Factorization of 72890

Prime factors of 72890 are 2, 5, 37, 197. Prime factorization of 72890 in exponential form is:

72890 = 21 × 51 × 371 × 1971

Prime Factorization of 72899

Prime factors of 72899 are 269, 271. Prime factorization of 72899 in exponential form is:

72899 = 2691 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 72890 and 72899.

LCM(72890,72899) = 21 × 51 × 371 × 1971 × 2691 × 2711
LCM(72890,72899) = 5313608110