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What is the Least Common Multiple of 68715 and 68719?

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 68715 and 68719 is 4722026085.

LCM(68715,68719) = 4722026085

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Least Common Multiple of 68715 and 68719 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68715 and 68719, than apply into the LCM equation.

GCF(68715,68719) = 1
LCM(68715,68719) = ( 68715 × 68719) / 1
LCM(68715,68719) = 4722026085 / 1
LCM(68715,68719) = 4722026085

Least Common Multiple (LCM) of 68715 and 68719 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68715 and 68719. First we will calculate the prime factors of 68715 and 68719.

Prime Factorization of 68715

Prime factors of 68715 are 3, 5, 509. Prime factorization of 68715 in exponential form is:

68715 = 33 × 51 × 5091

Prime Factorization of 68719

Prime factors of 68719 are 7, 9817. Prime factorization of 68719 in exponential form is:

68719 = 71 × 98171

Now multiplying the highest exponent prime factors to calculate the LCM of 68715 and 68719.

LCM(68715,68719) = 33 × 51 × 5091 × 71 × 98171
LCM(68715,68719) = 4722026085