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What is the Least Common Multiple of 68836 and 68856?

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 68836 and 68856 is 1184942904.

LCM(68836,68856) = 1184942904

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Least Common Multiple of 68836 and 68856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68836 and 68856, than apply into the LCM equation.

GCF(68836,68856) = 4
LCM(68836,68856) = ( 68836 × 68856) / 4
LCM(68836,68856) = 4739771616 / 4
LCM(68836,68856) = 1184942904

Least Common Multiple (LCM) of 68836 and 68856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68836 and 68856. First we will calculate the prime factors of 68836 and 68856.

Prime Factorization of 68836

Prime factors of 68836 are 2, 17209. Prime factorization of 68836 in exponential form is:

68836 = 22 × 172091

Prime Factorization of 68856

Prime factors of 68856 are 2, 3, 19, 151. Prime factorization of 68856 in exponential form is:

68856 = 23 × 31 × 191 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 68836 and 68856.

LCM(68836,68856) = 23 × 172091 × 31 × 191 × 1511
LCM(68836,68856) = 1184942904