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What is the Least Common Multiple of 70399 and 70408?

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 70399 and 70408 is 4956652792.

LCM(70399,70408) = 4956652792

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Least Common Multiple of 70399 and 70408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70399 and 70408, than apply into the LCM equation.

GCF(70399,70408) = 1
LCM(70399,70408) = ( 70399 × 70408) / 1
LCM(70399,70408) = 4956652792 / 1
LCM(70399,70408) = 4956652792

Least Common Multiple (LCM) of 70399 and 70408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70399 and 70408. First we will calculate the prime factors of 70399 and 70408.

Prime Factorization of 70399

Prime factors of 70399 are 7, 89, 113. Prime factorization of 70399 in exponential form is:

70399 = 71 × 891 × 1131

Prime Factorization of 70408

Prime factors of 70408 are 2, 13, 677. Prime factorization of 70408 in exponential form is:

70408 = 23 × 131 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 70399 and 70408.

LCM(70399,70408) = 71 × 891 × 1131 × 23 × 131 × 6771
LCM(70399,70408) = 4956652792