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What is the Least Common Multiple of 42340 and 42349?

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 42340 and 42349 is 1793056660.

LCM(42340,42349) = 1793056660

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Least Common Multiple of 42340 and 42349 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42340 and 42349, than apply into the LCM equation.

GCF(42340,42349) = 1
LCM(42340,42349) = ( 42340 × 42349) / 1
LCM(42340,42349) = 1793056660 / 1
LCM(42340,42349) = 1793056660

Least Common Multiple (LCM) of 42340 and 42349 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42340 and 42349. First we will calculate the prime factors of 42340 and 42349.

Prime Factorization of 42340

Prime factors of 42340 are 2, 5, 29, 73. Prime factorization of 42340 in exponential form is:

42340 = 22 × 51 × 291 × 731

Prime Factorization of 42349

Prime factors of 42349 are 42349. Prime factorization of 42349 in exponential form is:

42349 = 423491

Now multiplying the highest exponent prime factors to calculate the LCM of 42340 and 42349.

LCM(42340,42349) = 22 × 51 × 291 × 731 × 423491
LCM(42340,42349) = 1793056660