Page 25 - NUMINO Challenge_D2
P. 25
Creative Thinking
1 Which of the following numbers has the smallest number of factors?
40 54 98 100 200
2 The number that equals the product of all the proper divisors is called
a product-perfect number.
6123
Write all the product-perfect numbers from 1 to 20 except 6.
22 NUMINO Challenge D2
1 Which of the following numbers has the smallest number of factors?
40 54 98 100 200
2 The number that equals the product of all the proper divisors is called
a product-perfect number.
6123
Write all the product-perfect numbers from 1 to 20 except 6.
22 NUMINO Challenge D2
