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What is the Least Common Multiple of 70421 and 70437?

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 70421 and 70437 is 4960243977.

LCM(70421,70437) = 4960243977

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Least Common Multiple of 70421 and 70437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70421 and 70437, than apply into the LCM equation.

GCF(70421,70437) = 1
LCM(70421,70437) = ( 70421 × 70437) / 1
LCM(70421,70437) = 4960243977 / 1
LCM(70421,70437) = 4960243977

Least Common Multiple (LCM) of 70421 and 70437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70421 and 70437. First we will calculate the prime factors of 70421 and 70437.

Prime Factorization of 70421

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

70421 = 131 × 54171

Prime Factorization of 70437

Prime factors of 70437 are 3, 53, 443. Prime factorization of 70437 in exponential form is:

70437 = 31 × 531 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 70421 and 70437.

LCM(70421,70437) = 131 × 54171 × 31 × 531 × 4431
LCM(70421,70437) = 4960243977