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What is the Least Common Multiple of 67243 and 67247?

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 67243 and 67247 is 4521890021.

LCM(67243,67247) = 4521890021

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Least Common Multiple of 67243 and 67247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67243 and 67247, than apply into the LCM equation.

GCF(67243,67247) = 1
LCM(67243,67247) = ( 67243 × 67247) / 1
LCM(67243,67247) = 4521890021 / 1
LCM(67243,67247) = 4521890021

Least Common Multiple (LCM) of 67243 and 67247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67243 and 67247. First we will calculate the prime factors of 67243 and 67247.

Prime Factorization of 67243

Prime factors of 67243 are 11, 6113. Prime factorization of 67243 in exponential form is:

67243 = 111 × 61131

Prime Factorization of 67247

Prime factors of 67247 are 67247. Prime factorization of 67247 in exponential form is:

67247 = 672471

Now multiplying the highest exponent prime factors to calculate the LCM of 67243 and 67247.

LCM(67243,67247) = 111 × 61131 × 672471
LCM(67243,67247) = 4521890021