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What is the Least Common Multiple of 460 and 469?

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 460 and 469 is 215740.

LCM(460,469) = 215740

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Least Common Multiple of 460 and 469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 460 and 469, than apply into the LCM equation.

GCF(460,469) = 1
LCM(460,469) = ( 460 × 469) / 1
LCM(460,469) = 215740 / 1
LCM(460,469) = 215740

Least Common Multiple (LCM) of 460 and 469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 460 and 469. First we will calculate the prime factors of 460 and 469.

Prime Factorization of 460

Prime factors of 460 are 2, 5, 23. Prime factorization of 460 in exponential form is:

460 = 22 × 51 × 231

Prime Factorization of 469

Prime factors of 469 are 7, 67. Prime factorization of 469 in exponential form is:

469 = 71 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 460 and 469.

LCM(460,469) = 22 × 51 × 231 × 71 × 671
LCM(460,469) = 215740