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What is the Least Common Multiple of 53471 and 53490?

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 53471 and 53490 is 2860163790.

LCM(53471,53490) = 2860163790

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Least Common Multiple of 53471 and 53490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53471 and 53490, than apply into the LCM equation.

GCF(53471,53490) = 1
LCM(53471,53490) = ( 53471 × 53490) / 1
LCM(53471,53490) = 2860163790 / 1
LCM(53471,53490) = 2860163790

Least Common Multiple (LCM) of 53471 and 53490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53471 and 53490. First we will calculate the prime factors of 53471 and 53490.

Prime Factorization of 53471

Prime factors of 53471 are 11, 4861. Prime factorization of 53471 in exponential form is:

53471 = 111 × 48611

Prime Factorization of 53490

Prime factors of 53490 are 2, 3, 5, 1783. Prime factorization of 53490 in exponential form is:

53490 = 21 × 31 × 51 × 17831

Now multiplying the highest exponent prime factors to calculate the LCM of 53471 and 53490.

LCM(53471,53490) = 111 × 48611 × 21 × 31 × 51 × 17831
LCM(53471,53490) = 2860163790