18,465,126,293

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Number

$18 \, 465 \, 126 \, 293$ is:

A prime number

The lower end of the highest known stretch of integers where $4 n + 1$ is not less than $4 n - 1$ in their prime number race

Also see

• Largest Known Lead by 4n+1 in Prime Number Race

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Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $18,465,126,293$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $18,465,126,293$