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What is the Least Common Multiple of 71228 and 71247?

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 71228 and 71247 is 5074781316.

LCM(71228,71247) = 5074781316

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Least Common Multiple of 71228 and 71247 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71228 and 71247, than apply into the LCM equation.

GCF(71228,71247) = 1
LCM(71228,71247) = ( 71228 × 71247) / 1
LCM(71228,71247) = 5074781316 / 1
LCM(71228,71247) = 5074781316

Least Common Multiple (LCM) of 71228 and 71247 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71228 and 71247. First we will calculate the prime factors of 71228 and 71247.

Prime Factorization of 71228

Prime factors of 71228 are 2, 17807. Prime factorization of 71228 in exponential form is:

71228 = 22 × 178071

Prime Factorization of 71247

Prime factors of 71247 are 3, 11, 17, 127. Prime factorization of 71247 in exponential form is:

71247 = 31 × 111 × 171 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 71228 and 71247.

LCM(71228,71247) = 22 × 178071 × 31 × 111 × 171 × 1271
LCM(71228,71247) = 5074781316