What is the Least Common Multiple of 53417 and 53431?

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 53417 and 53431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53417 and 53431, than apply into the LCM equation.

GCF(53417,53431) = 7
LCM(53417,53431) = ( 53417 × 53431) / 7
LCM(53417,53431) = 2854123727 / 7
LCM(53417,53431) = 407731961

Least Common Multiple (LCM) of 53417 and 53431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53417 and 53431. First we will calculate the prime factors of 53417 and 53431.

Prime Factorization of 53417

Prime Factorization of 53431

Now multiplying the highest exponent prime factors to calculate the LCM of 53417 and 53431.

LCM(53417,53431) = 7¹ × 13¹ × 587¹ × 17¹ × 449¹
LCM(53417,53431) = 407731961