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What is the Least Common Multiple of 830 and 839?

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 830 and 839 is 696370.

LCM(830,839) = 696370

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Least Common Multiple of 830 and 839 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 830 and 839, than apply into the LCM equation.

GCF(830,839) = 1
LCM(830,839) = ( 830 × 839) / 1
LCM(830,839) = 696370 / 1
LCM(830,839) = 696370

Least Common Multiple (LCM) of 830 and 839 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 830 and 839. First we will calculate the prime factors of 830 and 839.

Prime Factorization of 830

Prime factors of 830 are 2, 5, 83. Prime factorization of 830 in exponential form is:

830 = 21 × 51 × 831

Prime Factorization of 839

Prime factors of 839 are 839. Prime factorization of 839 in exponential form is:

839 = 8391

Now multiplying the highest exponent prime factors to calculate the LCM of 830 and 839.

LCM(830,839) = 21 × 51 × 831 × 8391
LCM(830,839) = 696370