What is the Least Common Multiple of 261 and 265?
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 265 is 69165.
LCM(261,265) = 69165
Least Common Multiple of 261 and 265 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 265, than apply into the LCM equation.
GCF(261,265) = 1
LCM(261,265) = ( 261 × 265) / 1
LCM(261,265) = 69165 / 1
LCM(261,265) = 69165
Least Common Multiple (LCM) of 261 and 265 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 261 and 265. First we will calculate the prime factors of 261 and 265.
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 265
Prime factors of 265 are 5, 53. Prime factorization of 265 in exponential form is:
265 = 51 × 531
Now multiplying the highest exponent prime factors to calculate the LCM of 261 and 265.
LCM(261,265) = 32 × 291 × 51 × 531
LCM(261,265) = 69165
Related Least Common Multiples of 261
- LCM of 261 and 265
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Related Least Common Multiples of 265
- LCM of 265 and 269
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