What is the Least Common Multiple of 1370 and 1377?

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 of 1370 and 1377 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1370 and 1377, than apply into the LCM equation.

GCF(1370,1377) = 1
LCM(1370,1377) = ( 1370 × 1377) / 1
LCM(1370,1377) = 1886490 / 1
LCM(1370,1377) = 1886490

Least Common Multiple (LCM) of 1370 and 1377 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1370 and 1377. First we will calculate the prime factors of 1370 and 1377.

Prime Factorization of 1370

Prime Factorization of 1377

Now multiplying the highest exponent prime factors to calculate the LCM of 1370 and 1377.

LCM(1370,1377) = 2¹ × 5¹ × 137¹ × 3⁴ × 17¹
LCM(1370,1377) = 1886490