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What is the Least Common Multiple of 71388 and 71403?

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 71388 and 71403 is 1699105788.

LCM(71388,71403) = 1699105788

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Least Common Multiple of 71388 and 71403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71388 and 71403, than apply into the LCM equation.

GCF(71388,71403) = 3
LCM(71388,71403) = ( 71388 × 71403) / 3
LCM(71388,71403) = 5097317364 / 3
LCM(71388,71403) = 1699105788

Least Common Multiple (LCM) of 71388 and 71403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71388 and 71403. First we will calculate the prime factors of 71388 and 71403.

Prime Factorization of 71388

Prime factors of 71388 are 2, 3, 661. Prime factorization of 71388 in exponential form is:

71388 = 22 × 33 × 6611

Prime Factorization of 71403

Prime factors of 71403 are 3, 23801. Prime factorization of 71403 in exponential form is:

71403 = 31 × 238011

Now multiplying the highest exponent prime factors to calculate the LCM of 71388 and 71403.

LCM(71388,71403) = 22 × 33 × 6611 × 238011
LCM(71388,71403) = 1699105788