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What is the Least Common Multiple of 55384 and 55388?

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 55384 and 55388 is 766902248.

LCM(55384,55388) = 766902248

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Least Common Multiple of 55384 and 55388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55384 and 55388, than apply into the LCM equation.

GCF(55384,55388) = 4
LCM(55384,55388) = ( 55384 × 55388) / 4
LCM(55384,55388) = 3067608992 / 4
LCM(55384,55388) = 766902248

Least Common Multiple (LCM) of 55384 and 55388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55384 and 55388. First we will calculate the prime factors of 55384 and 55388.

Prime Factorization of 55384

Prime factors of 55384 are 2, 7, 23, 43. Prime factorization of 55384 in exponential form is:

55384 = 23 × 71 × 231 × 431

Prime Factorization of 55388

Prime factors of 55388 are 2, 61, 227. Prime factorization of 55388 in exponential form is:

55388 = 22 × 611 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 55384 and 55388.

LCM(55384,55388) = 23 × 71 × 231 × 431 × 611 × 2271
LCM(55384,55388) = 766902248