What is the Least Common Multiple of 38957 and 38961?
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 38957 and 38961 is 1517803677.
LCM(38957,38961) = 1517803677
Least Common Multiple of 38957 and 38961 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38957 and 38961, than apply into the LCM equation.
GCF(38957,38961) = 1
LCM(38957,38961) = ( 38957 × 38961) / 1
LCM(38957,38961) = 1517803677 / 1
LCM(38957,38961) = 1517803677
Least Common Multiple (LCM) of 38957 and 38961 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 38957 and 38961. First we will calculate the prime factors of 38957 and 38961.
Prime Factorization of 38957
Prime factors of 38957 are 163, 239. Prime factorization of 38957 in exponential form is:
38957 = 1631 × 2391
Prime Factorization of 38961
Prime factors of 38961 are 3, 13, 37. Prime factorization of 38961 in exponential form is:
38961 = 34 × 131 × 371
Now multiplying the highest exponent prime factors to calculate the LCM of 38957 and 38961.
LCM(38957,38961) = 1631 × 2391 × 34 × 131 × 371
LCM(38957,38961) = 1517803677
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