#7. Ready for Prime Time
Prime numbers are the building blocks of mathematics; all numbers can be formed by multiplying them together. But mathematicians still struggle to answer two fundamental questions about prime numbers:
One, what is the universal relationship between consecutive prime numbers up to infinity?
And two, can all numbers be described as a sum of prime numbers?
Centuries after these calculations were begun, two meticulous mathematicians finally came up with partial answers to both questions this year.
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