GCF and LCM Calculator Logo

What is the Least Common Multiple of 19754 and 19765?

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 19754 and 19765 is 390437810.

LCM(19754,19765) = 390437810

LCM Calculator and
and

Least Common Multiple of 19754 and 19765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19754 and 19765, than apply into the LCM equation.

GCF(19754,19765) = 1
LCM(19754,19765) = ( 19754 × 19765) / 1
LCM(19754,19765) = 390437810 / 1
LCM(19754,19765) = 390437810

Least Common Multiple (LCM) of 19754 and 19765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19754 and 19765. First we will calculate the prime factors of 19754 and 19765.

Prime Factorization of 19754

Prime factors of 19754 are 2, 7, 17, 83. Prime factorization of 19754 in exponential form is:

19754 = 21 × 71 × 171 × 831

Prime Factorization of 19765

Prime factors of 19765 are 5, 59, 67. Prime factorization of 19765 in exponential form is:

19765 = 51 × 591 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 19754 and 19765.

LCM(19754,19765) = 21 × 71 × 171 × 831 × 51 × 591 × 671
LCM(19754,19765) = 390437810