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What is the Least Common Multiple of 72389 and 72402?

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 72389 and 72402 is 5241108378.

LCM(72389,72402) = 5241108378

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Least Common Multiple of 72389 and 72402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72389 and 72402, than apply into the LCM equation.

GCF(72389,72402) = 1
LCM(72389,72402) = ( 72389 × 72402) / 1
LCM(72389,72402) = 5241108378 / 1
LCM(72389,72402) = 5241108378

Least Common Multiple (LCM) of 72389 and 72402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72389 and 72402. First we will calculate the prime factors of 72389 and 72402.

Prime Factorization of 72389

Prime factors of 72389 are 191, 379. Prime factorization of 72389 in exponential form is:

72389 = 1911 × 3791

Prime Factorization of 72402

Prime factors of 72402 are 2, 3, 11, 1097. Prime factorization of 72402 in exponential form is:

72402 = 21 × 31 × 111 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 72389 and 72402.

LCM(72389,72402) = 1911 × 3791 × 21 × 31 × 111 × 10971
LCM(72389,72402) = 5241108378