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What is the Least Common Multiple of 68690 and 68695?

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 68690 and 68695 is 943731910.

LCM(68690,68695) = 943731910

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Least Common Multiple of 68690 and 68695 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68690 and 68695, than apply into the LCM equation.

GCF(68690,68695) = 5
LCM(68690,68695) = ( 68690 × 68695) / 5
LCM(68690,68695) = 4718659550 / 5
LCM(68690,68695) = 943731910

Least Common Multiple (LCM) of 68690 and 68695 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68690 and 68695. First we will calculate the prime factors of 68690 and 68695.

Prime Factorization of 68690

Prime factors of 68690 are 2, 5, 6869. Prime factorization of 68690 in exponential form is:

68690 = 21 × 51 × 68691

Prime Factorization of 68695

Prime factors of 68695 are 5, 11, 1249. Prime factorization of 68695 in exponential form is:

68695 = 51 × 111 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 68690 and 68695.

LCM(68690,68695) = 21 × 51 × 68691 × 111 × 12491
LCM(68690,68695) = 943731910