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What is the Least Common Multiple of 70414 and 70421?

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 70414 and 70421 is 4958624294.

LCM(70414,70421) = 4958624294

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Least Common Multiple of 70414 and 70421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70414 and 70421, than apply into the LCM equation.

GCF(70414,70421) = 1
LCM(70414,70421) = ( 70414 × 70421) / 1
LCM(70414,70421) = 4958624294 / 1
LCM(70414,70421) = 4958624294

Least Common Multiple (LCM) of 70414 and 70421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70414 and 70421. First we will calculate the prime factors of 70414 and 70421.

Prime Factorization of 70414

Prime factors of 70414 are 2, 17, 19, 109. Prime factorization of 70414 in exponential form is:

70414 = 21 × 171 × 191 × 1091

Prime Factorization of 70421

Prime factors of 70421 are 13, 5417. Prime factorization of 70421 in exponential form is:

70421 = 131 × 54171

Now multiplying the highest exponent prime factors to calculate the LCM of 70414 and 70421.

LCM(70414,70421) = 21 × 171 × 191 × 1091 × 131 × 54171
LCM(70414,70421) = 4958624294