What is the Least Common Multiple of 520 and 528?
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 520 and 528 is 34320.
LCM(520,528) = 34320
Least Common Multiple of 520 and 528 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 520 and 528, than apply into the LCM equation.
GCF(520,528) = 8
LCM(520,528) = ( 520 × 528) / 8
LCM(520,528) = 274560 / 8
LCM(520,528) = 34320
Least Common Multiple (LCM) of 520 and 528 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 520 and 528. First we will calculate the prime factors of 520 and 528.
Prime Factorization of 520
Prime factors of 520 are 2, 5, 13. Prime factorization of 520 in exponential form is:
520 = 23 × 51 × 131
Prime Factorization of 528
Prime factors of 528 are 2, 3, 11. Prime factorization of 528 in exponential form is:
528 = 24 × 31 × 111
Now multiplying the highest exponent prime factors to calculate the LCM of 520 and 528.
LCM(520,528) = 24 × 51 × 131 × 31 × 111
LCM(520,528) = 34320
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