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What is the Least Common Multiple of 68951 and 68970?

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 68951 and 68970 is 250292130.

LCM(68951,68970) = 250292130

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Least Common Multiple of 68951 and 68970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68951 and 68970, than apply into the LCM equation.

GCF(68951,68970) = 19
LCM(68951,68970) = ( 68951 × 68970) / 19
LCM(68951,68970) = 4755550470 / 19
LCM(68951,68970) = 250292130

Least Common Multiple (LCM) of 68951 and 68970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68951 and 68970. First we will calculate the prime factors of 68951 and 68970.

Prime Factorization of 68951

Prime factors of 68951 are 19, 191. Prime factorization of 68951 in exponential form is:

68951 = 192 × 1911

Prime Factorization of 68970

Prime factors of 68970 are 2, 3, 5, 11, 19. Prime factorization of 68970 in exponential form is:

68970 = 21 × 31 × 51 × 112 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 68951 and 68970.

LCM(68951,68970) = 192 × 1911 × 21 × 31 × 51 × 112
LCM(68951,68970) = 250292130