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What is the Least Common Multiple of 54236 and 54243?

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 54236 and 54243 is 420274764.

LCM(54236,54243) = 420274764

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Least Common Multiple of 54236 and 54243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54236 and 54243, than apply into the LCM equation.

GCF(54236,54243) = 7
LCM(54236,54243) = ( 54236 × 54243) / 7
LCM(54236,54243) = 2941923348 / 7
LCM(54236,54243) = 420274764

Least Common Multiple (LCM) of 54236 and 54243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54236 and 54243. First we will calculate the prime factors of 54236 and 54243.

Prime Factorization of 54236

Prime factors of 54236 are 2, 7, 13, 149. Prime factorization of 54236 in exponential form is:

54236 = 22 × 71 × 131 × 1491

Prime Factorization of 54243

Prime factors of 54243 are 3, 7, 41. Prime factorization of 54243 in exponential form is:

54243 = 33 × 72 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 54236 and 54243.

LCM(54236,54243) = 22 × 72 × 131 × 1491 × 33 × 411
LCM(54236,54243) = 420274764