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What is the Least Common Multiple of 72219 and 72237?

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 72219 and 72237 is 1738961301.

LCM(72219,72237) = 1738961301

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Least Common Multiple of 72219 and 72237 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72219 and 72237, than apply into the LCM equation.

GCF(72219,72237) = 3
LCM(72219,72237) = ( 72219 × 72237) / 3
LCM(72219,72237) = 5216883903 / 3
LCM(72219,72237) = 1738961301

Least Common Multiple (LCM) of 72219 and 72237 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72219 and 72237. First we will calculate the prime factors of 72219 and 72237.

Prime Factorization of 72219

Prime factors of 72219 are 3, 7, 19, 181. Prime factorization of 72219 in exponential form is:

72219 = 31 × 71 × 191 × 1811

Prime Factorization of 72237

Prime factors of 72237 are 3, 11, 199. Prime factorization of 72237 in exponential form is:

72237 = 31 × 112 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 72219 and 72237.

LCM(72219,72237) = 31 × 71 × 191 × 1811 × 112 × 1991
LCM(72219,72237) = 1738961301