1, 3, 29, 87
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' 1 ' is the only number that divides evenly into both 87 and 100.
To write 87 as a product of its prime factors, we first divide it by the smallest prime number, which is 3. This gives us 87 = 3 * 29. Since 29 is a prime number itself, the prime factorization of 87 is 3 * 29.
Yes, 87/3 = 29. Of course you can divide 87 by 87 and get 1, as well.
No, because 4 does not divide equally into 87.
Well 25% of anything means you have to divide it by 4. So you divide 87 by 4 and get 21.75.