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What is the Least Common Multiple of 7801 and 7810?

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 7801 and 7810 is 60925810.

LCM(7801,7810) = 60925810

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Least Common Multiple of 7801 and 7810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7801 and 7810, than apply into the LCM equation.

GCF(7801,7810) = 1
LCM(7801,7810) = ( 7801 × 7810) / 1
LCM(7801,7810) = 60925810 / 1
LCM(7801,7810) = 60925810

Least Common Multiple (LCM) of 7801 and 7810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7801 and 7810. First we will calculate the prime factors of 7801 and 7810.

Prime Factorization of 7801

Prime factors of 7801 are 29, 269. Prime factorization of 7801 in exponential form is:

7801 = 291 × 2691

Prime Factorization of 7810

Prime factors of 7810 are 2, 5, 11, 71. Prime factorization of 7810 in exponential form is:

7810 = 21 × 51 × 111 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 7801 and 7810.

LCM(7801,7810) = 291 × 2691 × 21 × 51 × 111 × 711
LCM(7801,7810) = 60925810