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What is the Least Common Multiple of 452 and 460?

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 452 and 460 is 51980.

LCM(452,460) = 51980

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Least Common Multiple of 452 and 460 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 452 and 460, than apply into the LCM equation.

GCF(452,460) = 4
LCM(452,460) = ( 452 × 460) / 4
LCM(452,460) = 207920 / 4
LCM(452,460) = 51980

Least Common Multiple (LCM) of 452 and 460 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 452 and 460. First we will calculate the prime factors of 452 and 460.

Prime Factorization of 452

Prime factors of 452 are 2, 113. Prime factorization of 452 in exponential form is:

452 = 22 × 1131

Prime Factorization of 460

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

460 = 22 × 51 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 452 and 460.

LCM(452,460) = 22 × 1131 × 51 × 231
LCM(452,460) = 51980