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What is the Least Common Multiple of 71896 and 71905?

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 71896 and 71905 is 5169681880.

LCM(71896,71905) = 5169681880

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Least Common Multiple of 71896 and 71905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71896 and 71905, than apply into the LCM equation.

GCF(71896,71905) = 1
LCM(71896,71905) = ( 71896 × 71905) / 1
LCM(71896,71905) = 5169681880 / 1
LCM(71896,71905) = 5169681880

Least Common Multiple (LCM) of 71896 and 71905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71896 and 71905. First we will calculate the prime factors of 71896 and 71905.

Prime Factorization of 71896

Prime factors of 71896 are 2, 11, 19, 43. Prime factorization of 71896 in exponential form is:

71896 = 23 × 111 × 191 × 431

Prime Factorization of 71905

Prime factors of 71905 are 5, 73, 197. Prime factorization of 71905 in exponential form is:

71905 = 51 × 731 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 71896 and 71905.

LCM(71896,71905) = 23 × 111 × 191 × 431 × 51 × 731 × 1971
LCM(71896,71905) = 5169681880