What is the Least Common Multiple of 8472 and 8480?
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 8472 and 8480 is 8980320.
LCM(8472,8480) = 8980320
Least Common Multiple of 8472 and 8480 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8472 and 8480, than apply into the LCM equation.
GCF(8472,8480) = 8
LCM(8472,8480) = ( 8472 × 8480) / 8
LCM(8472,8480) = 71842560 / 8
LCM(8472,8480) = 8980320
Least Common Multiple (LCM) of 8472 and 8480 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 8472 and 8480. First we will calculate the prime factors of 8472 and 8480.
Prime Factorization of 8472
Prime factors of 8472 are 2, 3, 353. Prime factorization of 8472 in exponential form is:
8472 = 23 × 31 × 3531
Prime Factorization of 8480
Prime factors of 8480 are 2, 5, 53. Prime factorization of 8480 in exponential form is:
8480 = 25 × 51 × 531
Now multiplying the highest exponent prime factors to calculate the LCM of 8472 and 8480.
LCM(8472,8480) = 25 × 31 × 3531 × 51 × 531
LCM(8472,8480) = 8980320
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