421 will divide on which prime number
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Answer:
If 421 were not a prime number, then it would be divisible by at least one prime number less than or equal to √421 ≈ 20.5183. Since 421 cannot be divided evenly by 2, 3, 5, 7, 11, 13, 17, or 19, we know that 421 is a prime number.
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Step-by-step explanation:
421 has two factors,1 and 421 . it is the 82nd prime number, and the fourth prime number from 401-500.
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