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All odd prime numbers up to 110 are multiplied together. What is the unit digit in this product?
  • a)
    0
  • b)
    3
  • c)
    5
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
All odd prime numbers up to 110 are multiplied together. What is the u...
Any number multiplied with 5 ends with 5 if it is odd
Product of all odd prime number is an odd number where one of the factor is 5
∴ The unit digit of the product is 5
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Most Upvoted Answer
All odd prime numbers up to 110 are multiplied together. What is the u...
To find the unit digit of the product of all odd prime numbers up to 110, we need to multiply all the odd prime numbers together and then find the unit digit of the resulting product.

Prime numbers are numbers that are only divisible by 1 and themselves. Odd prime numbers are prime numbers that are not divisible by 2.

Prime numbers up to 110: 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107.

Multiplying all these prime numbers together would give us a very large number. However, we are only interested in the unit digit of the product, which is the digit in the ones place.

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Community Answer
All odd prime numbers up to 110 are multiplied together. What is the u...
Correct answer is 5
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All odd prime numbers up to 110 are multiplied together. What is the unit digit in this product?a)0b)3c)5d)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
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