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What is the Least Common Multiple of 68558 and 68564?

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 68558 and 68564 is 2350305356.

LCM(68558,68564) = 2350305356

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Least Common Multiple of 68558 and 68564 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68558 and 68564, than apply into the LCM equation.

GCF(68558,68564) = 2
LCM(68558,68564) = ( 68558 × 68564) / 2
LCM(68558,68564) = 4700610712 / 2
LCM(68558,68564) = 2350305356

Least Common Multiple (LCM) of 68558 and 68564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68558 and 68564. First we will calculate the prime factors of 68558 and 68564.

Prime Factorization of 68558

Prime factors of 68558 are 2, 7, 59, 83. Prime factorization of 68558 in exponential form is:

68558 = 21 × 71 × 591 × 831

Prime Factorization of 68564

Prime factors of 68564 are 2, 61, 281. Prime factorization of 68564 in exponential form is:

68564 = 22 × 611 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 68558 and 68564.

LCM(68558,68564) = 22 × 71 × 591 × 831 × 611 × 2811
LCM(68558,68564) = 2350305356