GCF and LCM Calculator Logo

What is the Least Common Multiple of 21448 and 21461?

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 21448 and 21461 is 460295528.

LCM(21448,21461) = 460295528

LCM Calculator and
and

Least Common Multiple of 21448 and 21461 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21448 and 21461, than apply into the LCM equation.

GCF(21448,21461) = 1
LCM(21448,21461) = ( 21448 × 21461) / 1
LCM(21448,21461) = 460295528 / 1
LCM(21448,21461) = 460295528

Least Common Multiple (LCM) of 21448 and 21461 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21448 and 21461. First we will calculate the prime factors of 21448 and 21461.

Prime Factorization of 21448

Prime factors of 21448 are 2, 7, 383. Prime factorization of 21448 in exponential form is:

21448 = 23 × 71 × 3831

Prime Factorization of 21461

Prime factors of 21461 are 11, 1951. Prime factorization of 21461 in exponential form is:

21461 = 111 × 19511

Now multiplying the highest exponent prime factors to calculate the LCM of 21448 and 21461.

LCM(21448,21461) = 23 × 71 × 3831 × 111 × 19511
LCM(21448,21461) = 460295528