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List the smallest four numbers that have exactly three factors?
4, 9, 25, 49 4 has 1, 2, 4 9 has 1, 3, 9 25 has 1, 5, 25 49 has 1, 7, 49
What is the gcf of 49 9?
GCF - Greatest Common Factor. The factors (integers that multiply to make) of 49 are 1 * 49, 7 * 7 Factors of 9 are 1 * 9, 3 * 3. Which factors do both numbers have in common? ... Just 1. This means the GCF of 49 & 9 is 1. IN fact, it's the ONLY common factor of 49 & 9, not just the greatest. Try this one on your own: GCF of 25 and 75. Hint: Factors of 25 -- 1, 25. 5, 5. Hint: Factors of 50 -- 1, 50. 2, 25. 5, 10. Which factors of 25 and 50 are in common? Of these common factors, which is the greatest? (GCF)
Find the lowest common denominator for these fractions and then subtract and simplify. 49 and 13?
The LCD of 4/9 and 1/3 is 9. 4/9 - 3/9 = 1/9
What is the 7Th number in the pattern 1 4 9 16 25?
So you're adding 3, 5, 7, 9, 11 etc 1, 4, 9, 16, 25, 36, 49
What is 1 4 9 16 25?
It's a sequence- 1x1=1, 2x2=4, 3x3=9, 4x4=16, 5x5=25, 6x6=36, 7x7=49,,,,,,,,,,, 1,4,9,16,25,36,49,,,,,,,,,,,
