Entre los siguientes números, encuentre los que son múltiplos de 2, 3, 5 y 10: 235, 360, 487, 564, 681, 792, 854, 904
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Understand the Problem
La pregunta solicita identificar, dentro de un conjunto de números dados, cuáles son múltiplos de 2, 3, 5 y 10. Esto implica verificar la divisibilidad de cada número por estos valores.
Answer
Multiples of 2: 360, 564, 792, 854, 904 Multiples of 3: 360, 564, 681, 792 Multiples of 5: 235, 360 Multiples of 10: 360
Answer for screen readers
Multiples of 2: 360, 564, 792, 854, 904
Multiples of 3: 360, 564, 681, 792
Multiples of 5: 235, 360
Multiples of 10: 360
Steps to Solve
- Divisibility rule for 2
A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8). 2. Divisibility rule for 3
A number is divisible by 3 if the sum of its digits is divisible by 3. 3. Divisibility rule for 5
A number is divisible by 5 if its last digit is either 0 or 5. 4. Divisibility rule for 10
A number is divisible by 10 if its last digit is 0.
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Checking each number: Now we need to apply these rules to each number provided: 235, 360, 487, 564, 681, 792, 854, 904
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Analyzing 235
Divisible by 5 (ends in 5). Not divisible by 2 or 10. Sum of digits is $2 + 3 + 5 = 10$, which is not divisible by 3.
- Analyzing 360
Divisible by 2 (ends in 0). Divisible by 5 (ends in 0). Divisible by 10 (ends in 0). Sum of digits is $3 + 6 + 0 = 9$, which is divisible by 3.
- Analyzing 487
Not divisible by 2 (ends in 7). Not divisible by 5 or 10. Sum of digits is $4 + 8 + 7 = 19$, which is not divisible by 3.
- Analyzing 564
Divisible by 2 (ends in 4). Not divisible by 5 or 10. Sum of digits is $5 + 6 + 4 = 15$, which is divisible by 3.
- Analyzing 681
Not divisible by 2 (ends in 1). Not divisible by 5 or 10. Sum of digits is $6 + 8 + 1 = 15$, which is divisible by 3.
- Analyzing 792
Divisible by 2 (ends in 2). Not divisible by 5 or 10. Sum of digits is $7 + 9 + 2 = 18$, which is divisible by 3.
- Analyzing 854
Divisible by 2 (ends in 4). Not divisible by 5 or 10. Sum of digits is $8 + 5 + 4 = 17$, which is not divisible by 3.
- Analyzing 904
Divisible by 2 (ends in 4). Not divisible by 5 or 10. Sum of digits is $9 + 0 + 4 = 13$, which is not divisible by 3.
- Final Result
Multiples of 2: 360, 564, 792, 854, 904 Multiples of 3: 360, 564, 681, 792 Multiples of 5: 235, 360 Multiples of 10: 360
Multiples of 2: 360, 564, 792, 854, 904
Multiples of 3: 360, 564, 681, 792
Multiples of 5: 235, 360
Multiples of 10: 360
More Information
Divisibility rules are shortcuts to determine if a number is divisible by another number without performing the division.
Tips
A common mistake is misapplying or misremembering the divisibility rules, especially for 3 and 7. For the divisibility rule of 3, make sure to sum all digits correctly.
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