What is the Least Common Multiple of 580 and 595?
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 595 is 69020.
LCM(580,595) = 69020
Least Common Multiple of 580 and 595 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 595, than apply into the LCM equation.
GCF(580,595) = 5
LCM(580,595) = ( 580 × 595) / 5
LCM(580,595) = 345100 / 5
LCM(580,595) = 69020
Least Common Multiple (LCM) of 580 and 595 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 580 and 595. First we will calculate the prime factors of 580 and 595.
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 595
Prime factors of 595 are 5, 7, 17. Prime factorization of 595 in exponential form is:
595 = 51 × 71 × 171
Now multiplying the highest exponent prime factors to calculate the LCM of 580 and 595.
LCM(580,595) = 22 × 51 × 291 × 71 × 171
LCM(580,595) = 69020
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