MathDB

4.1

Part of 2018 PUMaC Live Round

Problems(1)

2018 PUMaC Live Round 4.1

Source:

1/13/2019
The number 400000001400000001 can be written as p⋅qp\cdot q, where pp and qq are prime numbers. Find the sum of the prime factors of p+q−1p+q-1.
PuMACLive Roundnumber theoryprime numbers