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What is the Least Common Multiple of 70397 and 70405?

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 70397 and 70405 is 4956300785.

LCM(70397,70405) = 4956300785

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Least Common Multiple of 70397 and 70405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70397 and 70405, than apply into the LCM equation.

GCF(70397,70405) = 1
LCM(70397,70405) = ( 70397 × 70405) / 1
LCM(70397,70405) = 4956300785 / 1
LCM(70397,70405) = 4956300785

Least Common Multiple (LCM) of 70397 and 70405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70397 and 70405. First we will calculate the prime factors of 70397 and 70405.

Prime Factorization of 70397

Prime factors of 70397 are 17, 41, 101. Prime factorization of 70397 in exponential form is:

70397 = 171 × 411 × 1011

Prime Factorization of 70405

Prime factors of 70405 are 5, 14081. Prime factorization of 70405 in exponential form is:

70405 = 51 × 140811

Now multiplying the highest exponent prime factors to calculate the LCM of 70397 and 70405.

LCM(70397,70405) = 171 × 411 × 1011 × 51 × 140811
LCM(70397,70405) = 4956300785