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What is the Least Common Multiple of 73457 and 73470?

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 73457 and 73470 is 5396885790.

LCM(73457,73470) = 5396885790

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Least Common Multiple of 73457 and 73470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73457 and 73470, than apply into the LCM equation.

GCF(73457,73470) = 1
LCM(73457,73470) = ( 73457 × 73470) / 1
LCM(73457,73470) = 5396885790 / 1
LCM(73457,73470) = 5396885790

Least Common Multiple (LCM) of 73457 and 73470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73457 and 73470. First we will calculate the prime factors of 73457 and 73470.

Prime Factorization of 73457

Prime factors of 73457 are 17, 29, 149. Prime factorization of 73457 in exponential form is:

73457 = 171 × 291 × 1491

Prime Factorization of 73470

Prime factors of 73470 are 2, 3, 5, 31, 79. Prime factorization of 73470 in exponential form is:

73470 = 21 × 31 × 51 × 311 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 73457 and 73470.

LCM(73457,73470) = 171 × 291 × 1491 × 21 × 31 × 51 × 311 × 791
LCM(73457,73470) = 5396885790