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What is the Least Common Multiple of 68705 and 68713?

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 68705 and 68713 is 4720926665.

LCM(68705,68713) = 4720926665

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Least Common Multiple of 68705 and 68713 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68705 and 68713, than apply into the LCM equation.

GCF(68705,68713) = 1
LCM(68705,68713) = ( 68705 × 68713) / 1
LCM(68705,68713) = 4720926665 / 1
LCM(68705,68713) = 4720926665

Least Common Multiple (LCM) of 68705 and 68713 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68705 and 68713. First we will calculate the prime factors of 68705 and 68713.

Prime Factorization of 68705

Prime factors of 68705 are 5, 7, 13, 151. Prime factorization of 68705 in exponential form is:

68705 = 51 × 71 × 131 × 1511

Prime Factorization of 68713

Prime factors of 68713 are 68713. Prime factorization of 68713 in exponential form is:

68713 = 687131

Now multiplying the highest exponent prime factors to calculate the LCM of 68705 and 68713.

LCM(68705,68713) = 51 × 71 × 131 × 1511 × 687131
LCM(68705,68713) = 4720926665