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What is the Least Common Multiple of 70245 and 70257?

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 70245 and 70257 is 1645067655.

LCM(70245,70257) = 1645067655

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Least Common Multiple of 70245 and 70257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70245 and 70257, than apply into the LCM equation.

GCF(70245,70257) = 3
LCM(70245,70257) = ( 70245 × 70257) / 3
LCM(70245,70257) = 4935202965 / 3
LCM(70245,70257) = 1645067655

Least Common Multiple (LCM) of 70245 and 70257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70245 and 70257. First we will calculate the prime factors of 70245 and 70257.

Prime Factorization of 70245

Prime factors of 70245 are 3, 5, 7, 223. Prime factorization of 70245 in exponential form is:

70245 = 32 × 51 × 71 × 2231

Prime Factorization of 70257

Prime factors of 70257 are 3, 11, 2129. Prime factorization of 70257 in exponential form is:

70257 = 31 × 111 × 21291

Now multiplying the highest exponent prime factors to calculate the LCM of 70245 and 70257.

LCM(70245,70257) = 32 × 51 × 71 × 2231 × 111 × 21291
LCM(70245,70257) = 1645067655