What is the Least Common Multiple of 263 and 280?
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 263 and 280 is 73640.
LCM(263,280) = 73640
Least Common Multiple of 263 and 280 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 263 and 280, than apply into the LCM equation.
GCF(263,280) = 1
LCM(263,280) = ( 263 × 280) / 1
LCM(263,280) = 73640 / 1
LCM(263,280) = 73640
Least Common Multiple (LCM) of 263 and 280 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 263 and 280. First we will calculate the prime factors of 263 and 280.
Prime Factorization of 263
Prime factors of 263 are 263. Prime factorization of 263 in exponential form is:
263 = 2631
Prime Factorization of 280
Prime factors of 280 are 2, 5, 7. Prime factorization of 280 in exponential form is:
280 = 23 × 51 × 71
Now multiplying the highest exponent prime factors to calculate the LCM of 263 and 280.
LCM(263,280) = 2631 × 23 × 51 × 71
LCM(263,280) = 73640
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