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What is the Least Common Multiple of 70978 and 70994?

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 70978 and 70994 is 2519506066.

LCM(70978,70994) = 2519506066

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Least Common Multiple of 70978 and 70994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70978 and 70994, than apply into the LCM equation.

GCF(70978,70994) = 2
LCM(70978,70994) = ( 70978 × 70994) / 2
LCM(70978,70994) = 5039012132 / 2
LCM(70978,70994) = 2519506066

Least Common Multiple (LCM) of 70978 and 70994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70978 and 70994. First we will calculate the prime factors of 70978 and 70994.

Prime Factorization of 70978

Prime factors of 70978 are 2, 23, 1543. Prime factorization of 70978 in exponential form is:

70978 = 21 × 231 × 15431

Prime Factorization of 70994

Prime factors of 70994 are 2, 7, 11, 461. Prime factorization of 70994 in exponential form is:

70994 = 21 × 71 × 111 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 70978 and 70994.

LCM(70978,70994) = 21 × 231 × 15431 × 71 × 111 × 4611
LCM(70978,70994) = 2519506066