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What is the Least Common Multiple of 310 and 316?

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 310 and 316 is 48980.

LCM(310,316) = 48980

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Least Common Multiple of 310 and 316 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 310 and 316, than apply into the LCM equation.

GCF(310,316) = 2
LCM(310,316) = ( 310 × 316) / 2
LCM(310,316) = 97960 / 2
LCM(310,316) = 48980

Least Common Multiple (LCM) of 310 and 316 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 310 and 316. First we will calculate the prime factors of 310 and 316.

Prime Factorization of 310

Prime factors of 310 are 2, 5, 31. Prime factorization of 310 in exponential form is:

310 = 21 × 51 × 311

Prime Factorization of 316

Prime factors of 316 are 2, 79. Prime factorization of 316 in exponential form is:

316 = 22 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 310 and 316.

LCM(310,316) = 22 × 51 × 311 × 791
LCM(310,316) = 48980