A number will always have 1 and itself as factors. And thus the only numbers with 2 factors will be prime numbers. The only prime numbers below 20 are 2, 3, 5, 7, 11, 13, 17 and 19, and thus these are the only numbers below 20 that have 2 factors.
Six numbers. They are 1, 2, 4, 5, 10 and 20.
20 and 2
1, 2 & 4.
The factors of 20 are 1, 2, 4, 5, 10, and 20.1, 2, 4, 5, 10, 201, 2, 4, 5, 10, 20.Its factors are: 1 2 4 5 10 and 20
Numbers that have only 2 factors are prime numbers
The prime factors of 20 are 2, 2, and 5.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
2 and 20 have an HCF of 2 and an LCM of 20. You could also use 4 and 10.
Six numbers. They are 1, 2, 4, 5, 10 and 20.
The factors of 20 are 1, 2, 4, 5, 10, and 20.
'''They called composite numbers.''' '''Composite numbers are when they have more than two factors.''' '''A prime number is when it only has 2 factors no more or less.''' '''EX : 20''' '''Factors Of 20 : 1, 20, 2, 10, 4, 5.'''
20 has two prime factors which are 2 and 5
what are the common factors of 4 20 and 24
1, 2, 4, 5, 10, 20
20 and 2
1, 2 & 4.
10 and 20