Advertisements
Advertisements
Question
I am a two digit prime number and the sum of my digits is 10. I am also one of the factors of 57. Who am I?
Solution
Two-digit prime numbers with a sum of digits 10 are 19, 37, 73 of these factors of 57 is 19.
The number is 19.
APPEARS IN
RELATED QUESTIONS
Factorise the following number into prime.
150
Give the prime factorization of the following number:
90
Give the prime factorization of the following number:
252
Give the prime factorization of the following number:
1197
Give the prime factorization of the following number:
2907
Factorise into primes: 117.
The number of distinct prime factors of the smallest 4 digit number is __________
The sum of distinct prime factors of 30 is ________
The prime factorisation of 60 is 2 × 2 × 3 × 5. Any other number which has the same prime factorisation as 60 is
Write the greatest 4-digit number and express it in terms of its prime factors.