GCF and LCM Calculator Logo

What is the Least Common Multiple of 47490 and 47509?

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 47490 and 47509 is 2256202410.

LCM(47490,47509) = 2256202410

LCM Calculator and
and

Least Common Multiple of 47490 and 47509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47490 and 47509, than apply into the LCM equation.

GCF(47490,47509) = 1
LCM(47490,47509) = ( 47490 × 47509) / 1
LCM(47490,47509) = 2256202410 / 1
LCM(47490,47509) = 2256202410

Least Common Multiple (LCM) of 47490 and 47509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47490 and 47509. First we will calculate the prime factors of 47490 and 47509.

Prime Factorization of 47490

Prime factors of 47490 are 2, 3, 5, 1583. Prime factorization of 47490 in exponential form is:

47490 = 21 × 31 × 51 × 15831

Prime Factorization of 47509

Prime factors of 47509 are 7, 11, 617. Prime factorization of 47509 in exponential form is:

47509 = 71 × 111 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 47490 and 47509.

LCM(47490,47509) = 21 × 31 × 51 × 15831 × 71 × 111 × 6171
LCM(47490,47509) = 2256202410