What is the Least Common Multiple of 261 and 274?
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 274 is 71514.
LCM(261,274) = 71514
Least Common Multiple of 261 and 274 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 274, than apply into the LCM equation.
GCF(261,274) = 1
LCM(261,274) = ( 261 × 274) / 1
LCM(261,274) = 71514 / 1
LCM(261,274) = 71514
Least Common Multiple (LCM) of 261 and 274 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 261 and 274. First we will calculate the prime factors of 261 and 274.
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 274
Prime factors of 274 are 2, 137. Prime factorization of 274 in exponential form is:
274 = 21 × 1371
Now multiplying the highest exponent prime factors to calculate the LCM of 261 and 274.
LCM(261,274) = 32 × 291 × 21 × 1371
LCM(261,274) = 71514
Related Least Common Multiples of 261
- LCM of 261 and 265
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Related Least Common Multiples of 274
- LCM of 274 and 278
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