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What is the Least Common Multiple of 830 and 847?

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 847 is 703010.

LCM(830,847) = 703010

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Least Common Multiple of 830 and 847 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 847, than apply into the LCM equation.

GCF(830,847) = 1
LCM(830,847) = ( 830 × 847) / 1
LCM(830,847) = 703010 / 1
LCM(830,847) = 703010

Least Common Multiple (LCM) of 830 and 847 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 830 and 847. First we will calculate the prime factors of 830 and 847.

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 847

Prime factors of 847 are 7, 11. Prime factorization of 847 in exponential form is:

847 = 71 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 830 and 847.

LCM(830,847) = 21 × 51 × 831 × 71 × 112
LCM(830,847) = 703010