Marin Mersenne (1588 – 1648) was a French Catholic priest whose works touched a wide variety of fields. He is perhaps best known today among mathematicians for Mersenne prime numbers. He also developed Mersenne's laws, which describe the harmonics of a vibrating string.
PERFECT NUMBERS
How are powers of 2, triangle and prime numbers linked?
Key questions
What are proper factors?
Can we problem solve with factors?
What are perfect numbers?
2 lessons
Specification detail
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
The Number Devil by Hans Magnus Enzensburger
Nicomachus
Nicomachus
My Even Day by Doris Fisher
Introduce...
sum of proper factors - 1, 2
Develop...
number of factors - 1, 2
perfect numbers - 1, 2, 3