What is the Least Common Multiple of 261 and 275?
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 261 and 275 is 71775.
LCM(261,275) = 71775
Least Common Multiple of 261 and 275 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 261 and 275, than apply into the LCM equation.
GCF(261,275) = 1
LCM(261,275) = ( 261 × 275) / 1
LCM(261,275) = 71775 / 1
LCM(261,275) = 71775
Least Common Multiple (LCM) of 261 and 275 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 261 and 275. First we will calculate the prime factors of 261 and 275.
Prime Factorization of 261
Prime factors of 261 are 3, 29. Prime factorization of 261 in exponential form is:
261 = 32 × 291
Prime Factorization of 275
Prime factors of 275 are 5, 11. Prime factorization of 275 in exponential form is:
275 = 52 × 111
Now multiplying the highest exponent prime factors to calculate the LCM of 261 and 275.
LCM(261,275) = 32 × 291 × 52 × 111
LCM(261,275) = 71775
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Related Least Common Multiples of 275
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