What is the Least Common Multiple of 370 and 386?
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 370 and 386 is 71410.
LCM(370,386) = 71410
Least Common Multiple of 370 and 386 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 370 and 386, than apply into the LCM equation.
GCF(370,386) = 2
LCM(370,386) = ( 370 × 386) / 2
LCM(370,386) = 142820 / 2
LCM(370,386) = 71410
Least Common Multiple (LCM) of 370 and 386 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 370 and 386. First we will calculate the prime factors of 370 and 386.
Prime Factorization of 370
Prime factors of 370 are 2, 5, 37. Prime factorization of 370 in exponential form is:
370 = 21 × 51 × 371
Prime Factorization of 386
Prime factors of 386 are 2, 193. Prime factorization of 386 in exponential form is:
386 = 21 × 1931
Now multiplying the highest exponent prime factors to calculate the LCM of 370 and 386.
LCM(370,386) = 21 × 51 × 371 × 1931
LCM(370,386) = 71410
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