Largest Integer
1. **State the problem:** We need to find consecutive positive integers whose sum is 2024 and determine the largest integer in such a sum. There must be at least 2 terms.
2. Let the first term be $a$ and the number of terms be $n$, where $n\geq 2$.
3. The sum of $n$ consecutive integers starting with $a$ is given by the formula:
$$ S = n \times \frac{2a + (n-1)}{2} $$
Here, $S=2024$.
4. So,
$$ 2024 = n \times \frac{2a + (n-1)}{2} \implies 4048 = n(2a + n -1) $$
5. Rearranged:
$$ 2a + n -1 = \frac{4048}{n} $$
6. Since $a$ must be an integer, $\frac{4048}{n} - (n -1)$ must be even:
$$ 2a = \frac{4048}{n} - n + 1 $$
7. We test divisors $n$ of 4048 such that $a$ is positive integer. Also, minimum $n=2$.
8. Factor 4048:
$$ 4048 = 2^4 \times 11 \times 23 $$
9. Candidates for $n$ (divisors of 4048):
2,4,8,11,16,22,23,32,44,46,88,92,176,184,253,368,506,736,1012,2024,4048
10. For each $n$, check if $a$ is positive integer:
- Calculate $a = \frac{\frac{4048}{n} - n + 1}{2}$
- Must be positive integer.
11. Check for each divisor:
- $n=44$:
$$ a = \frac{\frac{4048}{44} -44 +1}{2} = \frac{92 -44 +1}{2} = \frac{49}{2} = 24.5$$ Not integer.
- $n=23$:
$$ a= \frac{\frac{4048}{23} -23 +1}{2} = \frac{176 -23 +1}{2} = \frac{154}{2} = 77 $$.
Since $a=77$ is positive integer, this works.
12. The largest integer in sum is:
$$ a + n -1 = 77 + 23 -1 = 99 $$
13. Check if others yield larger largest integer:
Try $n=11$:
$$ a= \frac{\frac{4048}{11} -11 +1}{2} = \frac{368 -11 +1}{2} = \frac{358}{2}=179 $$
Largest integer:
$$ 179 + 11 -1 = 189 $$ (larger than 99)
Try $n=8$:
$$ a= \frac{506 -8 +1}{2} = \frac{499}{2} = 249.5 $$ no integer.
Try $n=16$:
$$ a= \frac{253 -16 +1}{2} = \frac{238}{2}=119 $$
Largest integer:
$$ 119 + 16 -1 = 134 $$ less than 189
14. The largest largest integer found is for $n=11$ giving largest integer 189.
15. **Answer:** The largest integer in such a sum is $\boxed{189}$.