What is the Least Common Multiple of 290 and 299?
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 290 and 299 is 86710.
LCM(290,299) = 86710
Least Common Multiple of 290 and 299 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 290 and 299, than apply into the LCM equation.
GCF(290,299) = 1
LCM(290,299) = ( 290 × 299) / 1
LCM(290,299) = 86710 / 1
LCM(290,299) = 86710
Least Common Multiple (LCM) of 290 and 299 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 290 and 299. First we will calculate the prime factors of 290 and 299.
Prime Factorization of 290
Prime factors of 290 are 2, 5, 29. Prime factorization of 290 in exponential form is:
290 = 21 × 51 × 291
Prime Factorization of 299
Prime factors of 299 are 13, 23. Prime factorization of 299 in exponential form is:
299 = 131 × 231
Now multiplying the highest exponent prime factors to calculate the LCM of 290 and 299.
LCM(290,299) = 21 × 51 × 291 × 131 × 231
LCM(290,299) = 86710
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