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What is the Least Common Multiple of 70908 and 70917?

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 70908 and 70917 is 1676194212.

LCM(70908,70917) = 1676194212

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Least Common Multiple of 70908 and 70917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70908 and 70917, than apply into the LCM equation.

GCF(70908,70917) = 3
LCM(70908,70917) = ( 70908 × 70917) / 3
LCM(70908,70917) = 5028582636 / 3
LCM(70908,70917) = 1676194212

Least Common Multiple (LCM) of 70908 and 70917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70908 and 70917. First we will calculate the prime factors of 70908 and 70917.

Prime Factorization of 70908

Prime factors of 70908 are 2, 3, 19, 311. Prime factorization of 70908 in exponential form is:

70908 = 22 × 31 × 191 × 3111

Prime Factorization of 70917

Prime factors of 70917 are 3, 7, 11, 307. Prime factorization of 70917 in exponential form is:

70917 = 31 × 71 × 111 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 70908 and 70917.

LCM(70908,70917) = 22 × 31 × 191 × 3111 × 71 × 111 × 3071
LCM(70908,70917) = 1676194212