2 * 2 * 2 = 8
2 * 2 * 3 = 12
2 * 3 * 3 = 18
2 * 2 * 5 = 20
3 * 3 * 3 = 27
2 * 2 * 7 = 28
2 * 3 * 5 = 30
2 * 3 * 7 = 42
2 * 2 * 11 = 44
3 * 3 * 5 = 45
2 * 5 * 5 = 50
2 * 2 * 13 = 52
3 * 3 * 7 = 63
2 * 3 * 11 = 66
2 * 2 * 17 = 68
2 * 5 * 7 = 70
3 * 5 * 5 = 75
2 * 2 * 19 = 76
2 * 3 * 13 = 78
2 * 2 * 23 = 92
2 * 7 * 7 = 98
3 * 3 * 11 = 99
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The squares of all prime numbers less than 10.
The squares of all prime numbers less than 10.
The squares of all prime numbers less than 10.
The squares of all prime numbers less than 10.
4, 9, 25 and 49 They are squares of prime numbers.
All numbers that have exactly two factors are prime numbers whereas composite numbers have more than two factors.
Prime squares have three factors. There are 11 of them in that range.
11,22,33,44,55,66,77,88,99
If the GCF of a given pair of numbers is 1, the LCM will be equal to their product. If the GCF is greater than 1, the LCM will be less than their product. Or, stated another way, if the two numbers have no common prime factors, their LCM will be their product.