# What are the next three numbers in this series?

1,163.0K Views

The series lists numbers that are flanked by two prime numbers.

4 (3 and 5 are prime)

6 (5 and 7 are prime)

12 (11 and 13 are prime)

18 (17 and 19 are prime)

30 (29 and 31 are prime)

42 (41 and 43 are prime)

60 (59 and 61 are prime)

72 (71 and 73 are prime)

102 (101 and 103 are prime)

108 (107 and 109 are prime)

thus

138 (137 and 139 are prime), 150 (149 and 151 are prime), 180 (179 and 181 are prime)

### Your Answer

## More puzzles to try-

### Cook the Food

I get hot but I never sweat, I cook food but I am not a chef, I have a door ...Read More »### I start with “S”.

I start with the letter “S”. I have something to do with missiles and water. I am commonly used ...Read More »### Sasha Investment Financial Puzzle

Sasha is thinking about investing 20.000 dollars in a company, which offers him a five-year plan of divident payment at ...Read More »### Which colour is the last ball

There is a bag with 20 black and 13 red balls. Your task is to pick two balls in succession. ...Read More »### Measurement puzzle

You are mixing cement and the recipe calls for five gallons of water. You have a garden hose giving you ...Read More »### Blind man suicide Riddle

A blind man named Grandpa has boarded a train to his home. He underwent a successful operation on his eyes ...Read More »### What is 7 riddle

1 is 3. 3 is 5. 5 is 4. 4 is 4. What is 7?Read More »### The Man who Hanged Himself

There is a large wooden barn which is completely empty except for a dead man hanging from the middle of ...Read More »### Simple Mathematical equation confusion riddle

One of your friends comes to you with a simple mathematical equation. 25 – 55 + (85 + 65) = ...Read More »### Best and Cheapest

What is the best and cheapest light?Read More »### How far can a rabbit run into the woods?

How far can a rabbit run into the woods?Read More »### Come in Night

You see me at night, by day you tell everyone about me. I come back looking differently than before. I ...Read More »### Solve the mystery

There is a kingdom and in the kingdom when you drink a poison the only way to cure yourself is ...Read More »### The Gravity on Mars

Two Martians and two Earthlings traveling together came to a canal. As a result of the gravity on Mars, the ...Read More »### Has only one Letter

What word begins and ends with an E, but has only one letter?Read More »### Combination of bags

A man went into a bank with a thousand dollars, all in dollar bills, and ten bags. He said, “Place ...Read More »### How did the girl who drank the most survive?

Two girls ate dinner together. They both ordered iced tea. One girl drank them very fast and had finished five ...Read More »### How long before you run out of pills?

The doctor gives you three pills and tells you to take one every half hour. How long before you run ...Read More »### 5 Letter Words puzzle, Can you determine the original words?

Below are thirteen 5 lettered, everyday words, each of which has had two of its letters removed. In total these ...Read More »### Harder to Catch the Faster You Run

What is harder to catch the faster you run?Read More »

Accenture Interview PuzzlesAdobe Interview PuzzlesAge RiddleAkbar Birbal PuzzlesAlgorithm PuzzlesAlphabet riddleAmazon Interview PuzzlesAnalytical MathematicsAptitude PuzzleBank PuzzlesBetting PuzzlesBrain TeasersCalendar PuzzlesCards PuzzlesChess Board PuzzleChess PuzzlesChristmas Puzzlecipher PuzzleCivil Services PuzzleClock time puzzleCognizant Interview PuzzlesCoins PuzzleComputational PuzzleconundrumCoronavirus PuzzleCoupondunia Interview PuzzleCritical Thinking Puzzledata analyticsData Structure Interview QuestionsDecode PuzzleDetective PuzzlesDice PuzzleDictionary Riddlesdifficult riddleEasy Math puzzlesEasy puzzlesEinstein puzzleEnglish RiddleFamily Tree Puzzlefamous puzzleFill in the blanks riddlesFinding Killer RiddlesFlipkart interview puzzlesFunny RiddlesGeneral KnowledgeGeographical PuzzleGoogle Code Jam 2014Google Interview PuzzlesGRE PuzzleHard Puzzle