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What is the Least Common Multiple of 71447 and 71456?

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 71447 and 71456 is 5105316832.

LCM(71447,71456) = 5105316832

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Least Common Multiple of 71447 and 71456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71447 and 71456, than apply into the LCM equation.

GCF(71447,71456) = 1
LCM(71447,71456) = ( 71447 × 71456) / 1
LCM(71447,71456) = 5105316832 / 1
LCM(71447,71456) = 5105316832

Least Common Multiple (LCM) of 71447 and 71456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71447 and 71456. First we will calculate the prime factors of 71447 and 71456.

Prime Factorization of 71447

Prime factors of 71447 are 37, 1931. Prime factorization of 71447 in exponential form is:

71447 = 371 × 19311

Prime Factorization of 71456

Prime factors of 71456 are 2, 7, 11, 29. Prime factorization of 71456 in exponential form is:

71456 = 25 × 71 × 111 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 71447 and 71456.

LCM(71447,71456) = 371 × 19311 × 25 × 71 × 111 × 291
LCM(71447,71456) = 5105316832