What is the Least Common Multiple of 351 and 370?
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 351 and 370 is 129870.
LCM(351,370) = 129870
Least Common Multiple of 351 and 370 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 351 and 370, than apply into the LCM equation.
GCF(351,370) = 1
LCM(351,370) = ( 351 × 370) / 1
LCM(351,370) = 129870 / 1
LCM(351,370) = 129870
Least Common Multiple (LCM) of 351 and 370 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 351 and 370. First we will calculate the prime factors of 351 and 370.
Prime Factorization of 351
Prime factors of 351 are 3, 13. Prime factorization of 351 in exponential form is:
351 = 33 × 131
Prime Factorization of 370
Prime factors of 370 are 2, 5, 37. Prime factorization of 370 in exponential form is:
370 = 21 × 51 × 371
Now multiplying the highest exponent prime factors to calculate the LCM of 351 and 370.
LCM(351,370) = 33 × 131 × 21 × 51 × 371
LCM(351,370) = 129870
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