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What is the Least Common Multiple of 72190 and 72199?

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 72190 and 72199 is 5212045810.

LCM(72190,72199) = 5212045810

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Least Common Multiple of 72190 and 72199 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72190 and 72199, than apply into the LCM equation.

GCF(72190,72199) = 1
LCM(72190,72199) = ( 72190 × 72199) / 1
LCM(72190,72199) = 5212045810 / 1
LCM(72190,72199) = 5212045810

Least Common Multiple (LCM) of 72190 and 72199 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72190 and 72199. First we will calculate the prime factors of 72190 and 72199.

Prime Factorization of 72190

Prime factors of 72190 are 2, 5, 7219. Prime factorization of 72190 in exponential form is:

72190 = 21 × 51 × 72191

Prime Factorization of 72199

Prime factors of 72199 are 17, 31, 137. Prime factorization of 72199 in exponential form is:

72199 = 171 × 311 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 72190 and 72199.

LCM(72190,72199) = 21 × 51 × 72191 × 171 × 311 × 1371
LCM(72190,72199) = 5212045810