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What is the Least Common Multiple of 72898 and 72902?

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 72898 and 72902 is 2657204998.

LCM(72898,72902) = 2657204998

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Least Common Multiple of 72898 and 72902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72898 and 72902, than apply into the LCM equation.

GCF(72898,72902) = 2
LCM(72898,72902) = ( 72898 × 72902) / 2
LCM(72898,72902) = 5314409996 / 2
LCM(72898,72902) = 2657204998

Least Common Multiple (LCM) of 72898 and 72902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72898 and 72902. First we will calculate the prime factors of 72898 and 72902.

Prime Factorization of 72898

Prime factors of 72898 are 2, 7, 41, 127. Prime factorization of 72898 in exponential form is:

72898 = 21 × 71 × 411 × 1271

Prime Factorization of 72902

Prime factors of 72902 are 2, 36451. Prime factorization of 72902 in exponential form is:

72902 = 21 × 364511

Now multiplying the highest exponent prime factors to calculate the LCM of 72898 and 72902.

LCM(72898,72902) = 21 × 71 × 411 × 1271 × 364511
LCM(72898,72902) = 2657204998