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What is the Least Common Multiple of 4231 and 4247?

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 4231 and 4247 is 17969057.

LCM(4231,4247) = 17969057

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Least Common Multiple of 4231 and 4247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4231 and 4247, than apply into the LCM equation.

GCF(4231,4247) = 1
LCM(4231,4247) = ( 4231 × 4247) / 1
LCM(4231,4247) = 17969057 / 1
LCM(4231,4247) = 17969057

Least Common Multiple (LCM) of 4231 and 4247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4231 and 4247. First we will calculate the prime factors of 4231 and 4247.

Prime Factorization of 4231

Prime factors of 4231 are 4231. Prime factorization of 4231 in exponential form is:

4231 = 42311

Prime Factorization of 4247

Prime factors of 4247 are 31, 137. Prime factorization of 4247 in exponential form is:

4247 = 311 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 4231 and 4247.

LCM(4231,4247) = 42311 × 311 × 1371
LCM(4231,4247) = 17969057