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What is the Least Common Multiple of 85423 and 85434?

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 85423 and 85434 is 7298028582.

LCM(85423,85434) = 7298028582

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Least Common Multiple of 85423 and 85434 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85423 and 85434, than apply into the LCM equation.

GCF(85423,85434) = 1
LCM(85423,85434) = ( 85423 × 85434) / 1
LCM(85423,85434) = 7298028582 / 1
LCM(85423,85434) = 7298028582

Least Common Multiple (LCM) of 85423 and 85434 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85423 and 85434. First we will calculate the prime factors of 85423 and 85434.

Prime Factorization of 85423

Prime factors of 85423 are 13, 6571. Prime factorization of 85423 in exponential form is:

85423 = 131 × 65711

Prime Factorization of 85434

Prime factors of 85434 are 2, 3, 29, 491. Prime factorization of 85434 in exponential form is:

85434 = 21 × 31 × 291 × 4911

Now multiplying the highest exponent prime factors to calculate the LCM of 85423 and 85434.

LCM(85423,85434) = 131 × 65711 × 21 × 31 × 291 × 4911
LCM(85423,85434) = 7298028582