What is the Least Common Multiple of 2380 and 2387?
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 2380 and 2387 is 811580.
LCM(2380,2387) = 811580
Least Common Multiple of 2380 and 2387 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2380 and 2387, than apply into the LCM equation.
GCF(2380,2387) = 7
LCM(2380,2387) = ( 2380 × 2387) / 7
LCM(2380,2387) = 5681060 / 7
LCM(2380,2387) = 811580
Least Common Multiple (LCM) of 2380 and 2387 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 2380 and 2387. First we will calculate the prime factors of 2380 and 2387.
Prime Factorization of 2380
Prime factors of 2380 are 2, 5, 7, 17. Prime factorization of 2380 in exponential form is:
2380 = 22 × 51 × 71 × 171
Prime Factorization of 2387
Prime factors of 2387 are 7, 11, 31. Prime factorization of 2387 in exponential form is:
2387 = 71 × 111 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 2380 and 2387.
LCM(2380,2387) = 22 × 51 × 71 × 171 × 111 × 311
LCM(2380,2387) = 811580
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