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What is the Least Common Multiple of 87389 and 87402?

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 87389 and 87402 is 7637973378.

LCM(87389,87402) = 7637973378

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Least Common Multiple of 87389 and 87402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87389 and 87402, than apply into the LCM equation.

GCF(87389,87402) = 1
LCM(87389,87402) = ( 87389 × 87402) / 1
LCM(87389,87402) = 7637973378 / 1
LCM(87389,87402) = 7637973378

Least Common Multiple (LCM) of 87389 and 87402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87389 and 87402. First we will calculate the prime factors of 87389 and 87402.

Prime Factorization of 87389

Prime factors of 87389 are 31, 2819. Prime factorization of 87389 in exponential form is:

87389 = 311 × 28191

Prime Factorization of 87402

Prime factors of 87402 are 2, 3, 7, 2081. Prime factorization of 87402 in exponential form is:

87402 = 21 × 31 × 71 × 20811

Now multiplying the highest exponent prime factors to calculate the LCM of 87389 and 87402.

LCM(87389,87402) = 311 × 28191 × 21 × 31 × 71 × 20811
LCM(87389,87402) = 7637973378