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What is the Least Common Multiple of 70078 and 70085?

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 70085 is 4911416630.

LCM(70078,70085) = 4911416630

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Least Common Multiple of 70078 and 70085 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 70085, than apply into the LCM equation.

GCF(70078,70085) = 1
LCM(70078,70085) = ( 70078 × 70085) / 1
LCM(70078,70085) = 4911416630 / 1
LCM(70078,70085) = 4911416630

Least Common Multiple (LCM) of 70078 and 70085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70078 and 70085. First we will calculate the prime factors of 70078 and 70085.

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 70085

Prime factors of 70085 are 5, 107, 131. Prime factorization of 70085 in exponential form is:

70085 = 51 × 1071 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 70078 and 70085.

LCM(70078,70085) = 21 × 371 × 9471 × 51 × 1071 × 1311
LCM(70078,70085) = 4911416630