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What is the Least Common Multiple of 425 and 429?

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 425 and 429 is 182325.

LCM(425,429) = 182325

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Least Common Multiple of 425 and 429 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 425 and 429, than apply into the LCM equation.

GCF(425,429) = 1
LCM(425,429) = ( 425 × 429) / 1
LCM(425,429) = 182325 / 1
LCM(425,429) = 182325

Least Common Multiple (LCM) of 425 and 429 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 425 and 429. First we will calculate the prime factors of 425 and 429.

Prime Factorization of 425

Prime factors of 425 are 5, 17. Prime factorization of 425 in exponential form is:

425 = 52 × 171

Prime Factorization of 429

Prime factors of 429 are 3, 11, 13. Prime factorization of 429 in exponential form is:

429 = 31 × 111 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 425 and 429.

LCM(425,429) = 52 × 171 × 31 × 111 × 131
LCM(425,429) = 182325