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Difficulty Breakdown
Companies
Amazon (31)Google (30)Microsoft (15)Bloomberg (10)Meta (10)Adobe (3)Goldman Sachs (3)Infosys (3)Oracle (3)Salesforce (3)Uber (3)Accenture (2)American Express (2)Apple (2)IBM (2)Nokia (2)Sprinklr (2)tcs (2)TikTok (2)Walmart Labs (2)Adp (1)Akuna Capital (1)BNY Mellon (1)Citadel (1)Cognizant (1)Dropbox (1)Dtcc (1)Expedia (1)Fast (1)Gameskraft (1)HashedIn (1)Info Edge (1)Intel (1)Jump Trading (1)

Number Theory LeetCode interview questions

68 questions52 companies

Compare company overlap, shared topics, and difficulty patterns before narrowing this LeetCode topic into a focused interview practice set.

Shared topics

TitleDifficultyTopicsFrequencyLeetCode
Check If Digits Are Equal in String After Operations IIHard
100%
Solve
Find the Maximum Factor Score of ArrayMedium
100%
Solve
Maximum GCD-Sum of a SubarrayHard
100%
Solve
Maximum Element-Sum of a Complete Subset of IndicesHard
100%
Solve
Maximum Prime DifferenceMedium
100%
Solve
Number of Subarrays With LCM Equal to KMedium
100%
Solve
Split the Array to Make Coprime ProductsHard
100%
Solve
Sum of Largest Prime SubstringsMedium
100%
Solve
Minimize Length of Array Using OperationsMedium
97.7%
Solve
The kth Factor of nMedium
97.7%
Solve
Number of Different Subsequences GCDsHard
97.6%
Solve
Ugly Number IIIMedium
95.5%
Solve
Maximize Score After N OperationsHard
92.4%
Solve
Count the Number of Ideal ArraysHard
90.9%
Solve
Check If It Is a Good ArrayHard
90.4%
Solve
Smallest Divisible Digit Product IIHard
87.5%
Solve
Find the Number of Subsequences With Equal GCDHard
86.1%
Solve
Check if Point Is ReachableHard
84.3%
Solve
Sum of Beautiful SubsequencesHard
75%
Solve
Count Array Pairs Divisible by KHard
73.4%
Solve

68 questions total

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Topic analytics

Why Number Theory matters in interviews

Questions tracked

68

Questions mapped to Number Theory

Companies represented

52

Companies linked to this topic

Dominant difficulty

medium

44% of tracked topic coverage

Avg companies / question

2.4

Mean cross-company overlap for this topic

Number Theory appears in 68 tracked questions across 52 companies, which makes it one of the clearer signals for reusable interview patterns.

Amazon, Google, Microsoft, and Bloomberg are among the companies most associated with this topic in the current dataset. Amazon alone contributes 31 linked questions. Use those company links to compare how the same topic changes across interview styles.

medium is the dominant difficulty bucket at 44% of the topic distribution, and each Number Theory question is associated with 2.4 companies on average. That combination is useful when you want a topic that balances frequency with transferability.

Number Theory topic FAQ

Use this Number Theory page to understand difficulty mix, company overlap, and how to turn a topic signal into a real interview study loop.

How should I study Number Theory interview questions?

Start with the highest-frequency Number Theory problems on this page, then use the company and shared-topic filters to split broad pattern practice from more targeted interview prep. This template currently tracks 68 Number Theory questions, so it works best as a focused practice lane rather than a one-off search result.

What difficulty level dominates Number Theory?

medium currently represents 44% of the tracked Number Theory distribution. Use that as a pacing signal before you decide whether this topic is best for quick reps, realistic interview drills, or harder stretch practice.

Which companies ask Number Theory questions most often?

Amazon, Google, Microsoft, and Bloomberg are the most visible company signals for Number Theory right now. Open those company pages next if you want to see how the same topic shifts across interview styles.