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What is the Least Common Multiple of 580 and 598?

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 580 and 598 is 173420.

LCM(580,598) = 173420

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Least Common Multiple of 580 and 598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 580 and 598, than apply into the LCM equation.

GCF(580,598) = 2
LCM(580,598) = ( 580 × 598) / 2
LCM(580,598) = 346840 / 2
LCM(580,598) = 173420

Least Common Multiple (LCM) of 580 and 598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 580 and 598. First we will calculate the prime factors of 580 and 598.

Prime Factorization of 580

Prime factors of 580 are 2, 5, 29. Prime factorization of 580 in exponential form is:

580 = 22 × 51 × 291

Prime Factorization of 598

Prime factors of 598 are 2, 13, 23. Prime factorization of 598 in exponential form is:

598 = 21 × 131 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 580 and 598.

LCM(580,598) = 22 × 51 × 291 × 131 × 231
LCM(580,598) = 173420