QuestionFind the 4-digit ATM code for Mr. Nolan using the prime factors of 84 in increasing order.
Studdy Solution
STEP 1
Assumptions1. The ATM code is a4-digit number. The digits of the code are the prime factors of843. The prime factors are listed from least to greatest
STEP 2
First, we need to find the prime factors of84. Prime factors are the prime numbers that multiply together to give the original number.
STEP 3
Start by dividing84 by the smallest prime number, which is2. If the result is a whole number, then2 is a prime factor.
STEP 4
Since42 is a whole number,2 is a prime factor of84. Now we repeat the process with42.
STEP 5
Again, since21 is a whole number,2 is a prime factor of84. Now we repeat the process with21.
STEP 6
21 is not divisible by2, so we try the next prime number, which is3.
STEP 7
Since7 is a whole number,3 is a prime factor of84. Now we repeat the process with7.
STEP 8
7 is a prime number itself, so we have found all the prime factors of84.
STEP 9
List the prime factors from least to greatest.
STEP 10
The4-digit code for Mr. Nolan's ATM card is the prime factors of84 listed from least to greatest.
Mr. Nolan's ATM card code is2237.
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