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What is the Least Common Multiple of 70078 and 70098?

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 70078 and 70098 is 2456163822.

LCM(70078,70098) = 2456163822

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Least Common Multiple of 70078 and 70098 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70078 and 70098, than apply into the LCM equation.

GCF(70078,70098) = 2
LCM(70078,70098) = ( 70078 × 70098) / 2
LCM(70078,70098) = 4912327644 / 2
LCM(70078,70098) = 2456163822

Least Common Multiple (LCM) of 70078 and 70098 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70078 and 70098. First we will calculate the prime factors of 70078 and 70098.

Prime Factorization of 70078

Prime factors of 70078 are 2, 37, 947. Prime factorization of 70078 in exponential form is:

70078 = 21 × 371 × 9471

Prime Factorization of 70098

Prime factors of 70098 are 2, 3, 7, 1669. Prime factorization of 70098 in exponential form is:

70098 = 21 × 31 × 71 × 16691

Now multiplying the highest exponent prime factors to calculate the LCM of 70078 and 70098.

LCM(70078,70098) = 21 × 371 × 9471 × 31 × 71 × 16691
LCM(70078,70098) = 2456163822